EUPHORBIA WORLD – Table of Content, Volumes 1 to 16(2)

EUPHORBIA WORLD 2005, Vol. 1(1) Alan Butler Message from the Chairman p. 4 Volker Buddensiek Editorial p. 5 Paul Forster The families of the euphorbs p. 6-7 Leonard E. Newton The elusive Euphorbia ballyana p. 8-9 Volker Buddensiek Book review p. 9 Susan Carter Euphorbia in Kenya p. 10-12 Rikus van Veldhuisen Euphorbia susannae Marloth p. 13-16 Stephen Jankalski Hybrids in succulent Euphorbia p. 17-20 Bruce J. Hargreaves Euphorbia pseudotuberosa Pax and/or E. trichadenia Pax in p. 21-22 Botswana Norbert Göbl & Alan Butler Growing p. 22-25 Pjotr Lawant 1. Euphorbia Review (1935-1937) revisited p. 26 Harry Mays Three Euphorbias of the International Succulent p. 28-30 Introductions Volker Buddensiek Euphorbias from A to Z p. 31 EUPHORBIA WORLD 2005, Vol. 1(2) Volker Buddensiek Letter from the editor p. 4 Graham Williamson An interesting new desert Euphorbia from the NW p. 5-7 Richtersveld and southern Namib Desert Gerhard Marx Euphorbia sp. aff mira p. 8 Rikus van Veldhuisen Euphorbia nova J&R 260, additional notes p. 9-11 Bruce J. Hargeaves Strange spurges in Botswana? p. 12-13 Frank Vincentz Euphorbia ephedromorpha Bartlett, a forgotten succulent P 14-15 from Guatemala Rikus van Veldhuisen In Habitat (South Africa) p. 16-17 Liliana Rodriguez Cracraft & Euphorbia antisyphilitica p. 18-19 Mike Cracraft Paul I. Forster Monadenium kimberleyana () and a putative p. 20 locality in South Africa Diny Winthagen & Pjotr Mysterious Euphorbia cucumerina p. 21-30 Lawant EUPHORBIA WORLD 2005, Vol. 1(3) Alan Butler Letter from the Chairman p. 4 Rikus van Veldhuisen Some notes on Euphorbia punicea Swartz an related species p. 5-8 Gerhard Marx Some re-evaluating notes on Euphorbia multiramosa Nel p. 9-13 Pjotr Lawant Book & Journal Review p. 13 Diny Winthagen & Pjotr Why the Indian Euphorbia antiquorum was named after the p. 14-15 Lawant European classical world Torsten Dedow In Habitat (South Africa) p. 16-17 Pjotr Lawant & Renée Euphorbia handiensis: Will it exist in the future? p. 18-29 Suntjens Volker Buddensiek Euphorbias from A to Z p. 30 EUPHORBIA WORLD 2006, Vol. 2(1) Volker Buddensiek Letter from the Editor p. 4 Susan Carter Tree euphorbias of tropical Africa p. 5-8 Sean Gildenhuys The three most abundant tree Euphorbia species of the p. 9-14 Transvaal (South Africa) Pjotr Lawant Book & Journal Review p. 15 Rikus van Veldhuisen In Habitat (South Africa) p. 16-17 Wolfgang Ewest Euphorbia tuckeyana Steudel ex Webb 1849 p. 18-20 Pierre Braun Euphorbia estevesii N.F.A.Zimmermann & P.J.Braun, A p. 21-23 strange discovery from Goiás, Central Brasil Boris Vrskovy Jatropha glandulifera Roxburgh, a little-known semi- p. 24-25 succulent shrub from India Pjotr Lawant & Diny Euphorbia tribuloides: a species lost for ever? p. 26-29 Winthagen Volker Buddensiek Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2006, Vol. 2(2) Pjotr Lawant Letter from the Editor p. 4 Volker Buddensiek A sister to Euphorbia antisyphilitica p. 4 Bruce J. Hargreaves Variations in Euphorbia griseola Pax in Botswana p. 5 Rikus van Veldhuisen Euphorbia subgenus Euphorbia section Triacanthium p. 6-13 Jacobsen Leonard E. Newton Seeds of Euphorbia lenewtonii p. 14 Harry Mays International Succulent Introductions 2006 p. 15 Walter Minuth In Habitat (Madagascar) p. 16-17 Walter Minuth The littoral forests of south-eastern Madagascar – will they p. 18-20 survive? Thomas Haevermans of the Euphorobia pyrifolia clade p. 21-24 Graham Williamson Interesting succulent euphorbias from south Central Africa p. 25-29 Norbert Göbl Hibernating euphorbias p. 30-31 EUPHORBIA WORLD 2006, Vol. 2(3) Alan Butler Message from the Chairman p. 4 Graham Williamson Several interesting Zambian Euphorbias subg. Euphorbia p. 5-11 sect. Monadenium (Euphorbiaceae) including a new species Meena Singh Succulent Jatrophas in India p. 12-15 Daphne & Albert Pritchard In Habitat (India) p. 16-17 Rikus van Veldhuisen Euphorbia subgenus Euphorbia section Triacanthium p. 18-24 Jacobsen (Part 2) Pjotr Lawant Molecular phylogenetic analysis of the tribe : p. 25 recent changes in systematic classification and names Paul I. Forster The early discovery of Euphorbia sarcostemmoides p. 26-30 J.H.Willis (Euphorbiaceae), with notes on its conservation staturs and distribution Pjotr Lawant Book & Journal Review p. 31 EUPHORBIA WORLD 2007, Vol. 3(1) Peter V. Bruyns A new subgeneric classification for Euphorbia p. 5 (Euphorbiaceae) in southern Africa based on its and psbA- trnH sequence data – corrigenda Rikus van Veldhuisen Euphorbia subgenus Euphorbia section Triacanthium p. 6-12 Jacobsen (Part 3) Paul E. Berry & Ricarda Riina A new collaborative research project: a global invertory of p. 12-13 Euphorbia Guiseppe Orlando In Habitat (Socotra/Abd-al-Kuri) p. 14-17 Bruce J. Hargreaves A neotenic Euphorbia cooperi? p. 18-19 Pjotr Lawant Molecular phylogenetic analysis of the tribe Euphorbieae: p. 20-31 Part 2: Three important contributions EUPHORBIA WORLD 2007, Vol. 3(2) Tim Marshall International Euphorbia Society Seed Bank p. 4 Wolfgang Ewest Geophytic euphorbias from Chile p. 5-7 Graham Williamson Notes of Euphorbia multiramosa Nel (Euphorbiaceae) and p. 8-18 related species Pjotr Lawant & Diny Euphorbia loricata Lam.: the first South African succulent p. 19-25 Winthagen Euphorbia drawn in situ Paul I. Forster Seed dispersal in the Euphorbieae (Euphorbiaceae) p. 26-30 Walter Minuth Who will win the spitting contest? p. 31 EUPHORBIA WORLD 2007, Vol. 3(3) Pjotr Lawant IES and the PBI project p. 4 Maik Veste Parasitic flowering on Euphorbia in South Africa and p. 5-9 Namibia Rolf W. Becker, Alma Moller, Notes on Euphorbia restricta Dyer from its type locality p. 10-12 Sonnette Krynauw & Derek Engelbrecht Pjotr Lawant Book & Journal Review p. 13 Gerhard F. Wagner In Habitat (South Africa) p. 14-17 Rikus van Veldhuisen Euphorbia Section Triacanthium Jacobsen (Part 4) p. 18-23 Volker Buddensiek Results of the questionaire seeking members' opinions p. 23 Pjotr Lawant Molecular phylogenetic analysis of the tribe Euphorbieae: p. 24-29 Macaronesian dendroid euphorbias and South African subsection Meleuphorbia both revisited Volker Buddensiek Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2008, Vol. 4(1) Volker Buddensiek Message from the editor p. 4 Bruce J. Hargreaves Variation in Euphorbia duseimata R.A.Dyer in Botswana p. 5 Pjotr Lawant & Volker Euphorbia berevoensis Lawant & Buddens. - a new p. 6-11 Buddensiek Madagascan species within the informal „Euphoriba pedilanthoides group“ Jonas Lüthy Under review: The listing of „succulent Euphorbia spp.“ in p. 12-13 Appendix II of CITES Detlef Schnabel In Habitat (South Africa) p. 14-17 Leonard E. Newton The distribution of Euphorbia sebsebei p. 18-19 Rikus van Veldhuisen Euphorbia horwoodii S.Carter & Lavranos p. 20-26 Volker Buddensiek Euphorbias from A to Z p. 28-31 EUPHORBIA WORLD 2008, Vol. 4(2) Alan Butler Chariman's Column p. 4 Susan Carter Euphorbia in Tanzania p. 5-9 Daphne & Albert Pritchard Phyllanthus Linnaeus Sp. Pl. (ed. 1): 971, (1753) p. 10-11 Nomenclatural type: Phyllanthus niuri L. Volker Buddensiek Simply a Euphorbia leuconeura? p. 12-15 Petr Pavelka In Habitat (Madagascar) p. 16-19 Rikus van Veldhuisen Euphorbia multiceps A.Berger p. 20-26 Bruce J. Hargreaves Euphorbia bergii White, Dyer & Sloane in Botswana p. 27-29 Walter Minuth Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2008, Vol. 4(3) Alan Butler Chairman's column p. 4 Wolfgang Ewest Wanted!!! Euphorbia prona S.Carter p. 5-7 Graham Williamson A new species of Euphorbia subgenus Euphorbia section p. 8-12 Monadenium (Pax) P.V.Bruyns (Euphorbiaceae) from the Zambian/Tanzanian borders at the lower southern end of Lake Tanganyika Alber Pritchard The proposed changes to the classification of Euphorbia p. 13 Gilfrid Powys Euphorbia scheffleri with a difference p. 14-15 Daphne & Albert Pritchard In Habitat (South Africa) p. 16-19 Daphne & Albert Pritchard Some unusual Euphorbia obesa ssp. symmetrica plants p. 20-23 Pjotr Lawant Journal Review p. 24 Volker Buddensiek How to fight mealy bugs p. 25 Ricarda Riina, Paul E. Berry News from the PBI project p. 26-27 & Jeffery J. Morawetz Pjotr Lawant Book review p. 28-29 Volker Buddensiek Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2009, Vol. 5(1) Alan Butler Chairman's Column p. 4 Thomas Brand Powdery mildew of succulent Euphorbia species p. 5-9 Christian Kunath In cultivation: Euphorbia nana Royle p. 10-11 Dick Hoey Smith How did I become a Euphorbia fan? p. 12-13 Keith Bensusan & Brian Lamb An epiphytic Euphorbia echinus Hook.F. & Coss. in the p. 14-15 Anti Atlas of Rikus van Veldhuisen In Habitat (South Africa) p. 16-19 Walter Minuth Variation in Euphorbia francoisii Leandri p. 20-23 Peter Krogstrup & Jens I. Find Tissue culture propagation of Euphorbia mosaica p. 24-28 P.R.O.Bally & S.Carter, a rare Euphorbia from Volker Buddensiek Euphorbias from A to Z p. 29-21 EUPHORBIA WORLD 2009, Vol. 5(2) Alan Butler Chairman's Column p. 4 Rene Samek Euphorbia larica in the United Arab Emirates p. 5-7 Rolf W. Becker, Alma Moller About sticks and pencils (part 1): Euphorbia ephedroides p. 8-9 & Rikus van Veldhuisen E.Mey. ex Boiss. Albert & Daphne Pritchard Euphorbia albertensis? p. 10-12 Volker Buddensiek Greetings from the past: Euphorbia pendula p. 13 Detlef Schnabel In Habitat (South Africa) p. 14-17 Rikus van Veldhuisen About the identity and relationships of Euphorbia gorgonis p. 18-29 Berger Volker Buddensiek Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2009, Vol. 5(3) Alan Butler Message from the Chairman p. 4 Alan Butler Albert Pritchard – a tribute p. 5 Rikus van Veldhuisen About the identity and relationships of Euphorbia gorgonis p. 6-13 Berger – Part 2 Alma Moller & Rolf Becker In Habitat (Southern Africa) p. 14, 19-21 Index of Euphorbia World Volumes 1 to 5 p. 15-18 Bruce Hargreaves Rocks and the Euphorbia schinzii complex p. 22-24 Pjotr Lawant Journal Review p. 25 Jeffery J. Morawetz, Barbara Euphorbia Seed Atlas – Part 1 p. 26-29 Wagner, Ricarda Riina & Paul E. Berry Volker Buddensiek Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2010, Vol. 6(1) Alan Butler Chairman's Column p. 4 Joachim Thiede Euphorbia ohiva Swanepoel: a novelty from the Kaokoveld p. 5-7 Centre of Endemism (Namibia & Angola) Rolf W. Becker, Alma Moller About sticks and pencils (part 2): Euphorbia burmanni p. 8-9 & Rikus van Veldhuisen E.Mey. ex Boiss. Thomas Brand Grey mold by Botrytis cinerea p. 10-13 Jeffery J. Morawetz In p. 14-17 Soumen Aditya A revision of geophytic Euphorbia species from India p. 18-24 Jefferey J. Morawetz, Barbara Euphorbia Seed Atlas – Part 2 p. 25 Wagner, Ricarda Riina & Paul E. Berry Antonius Joannes Hubertus Two tuberous Jatropha species from Mozembique p. 26-31 Rulkens & Boet José Baptista EUPHORBIA WORLD 2010, Vol. 6(2) Alan Butler Estivating p. 4 Rolf Becker & Alma Moller The Larry Leach Collection at the University of Limpopo p. 5-7 Rikus van Veldhuisen Euphorbia albipollinifera L.C.Leach p. 8-13 Ricarda Riina & Manuel In Morocco p. 14-17 Portilheiro Graham Williamson Observations on Euphorbia transvaalensis Schltr. from p. 18-24 Namibia Pjotr Lawant Book review p. 25 Rolf Becker, Alma Moller & About sticks and pencils (Part 3): Euphorbia caterviflora p. 26-27 Rikus van Veldhuisen N.E.Br. Barbara Wagner, Jeffery J. Euphorbia Seed Atlas – Part 3 p. 28-29 Morawetz, Ricarda Riina, Paul E. Berry, Rolf Becker & Alma Mollerr Walter Minuth Euphorbias from A to Z p. 30-31 EUPHORBIA WORLD 2010, Vol. 6(3) Alan Butler A time to read journals p. 4 Graham Williamson Notes on miniature and dwarf Euphorbia species from the p. 5-13 Sperrgebiet in Namibia Jeffery J. Morawetz In Tanzania p. 14-17 Rolf Becker & Alma Moller Euphorbia leistneri R.H.Archer from the Kaokoveld in p. 18-20 northern Namibia Jeffery J. Morawetz, Ricarda Euphorbia Seed Atlas – Part 4 p. 21 Riina, Paul E. Berry & Mark H. Mayfield Bruce J. Hargreaves A Tanzanian Euphorbia from South Africa? p. 22-25 Volker Buddensiek A case of hunger, thirst and death p. 26 Pjotr Lawant Journal Review p. 27 Volker Buddensiek & Walter Euphorbias from A to Z p. 28-30 Minuth Suomen Aditya, Elizabeth Members' plants p. 31 Ciccone EUPHORBIA WORLD 2011, Vol. 7(1) Rikus van Veldhuisen Interim chairman p. 4 Graham Williamson Notes on miniature and dwarf Euphorbia species from the p. 5-10 Sperrgebiet in Namibia (Part 2) Barbara Wagner, Jeffery J. Euphorbia Seed Atlas – Part 5 p. 11 Morawetz, Ricarda Riina, Paul E. Berry, Rolf W. Becker & Alma Moller Walter Minuth Euphorbia subapoda Baill. - what is it? p. 12-15 Leo van der Hoeven In Madagascar p. 16-19 Detlef H. Schnabel The mysterious 'Snowflake“ Euphorbia – a new variety of p. 20-26 Euphorbia polygona Haw. Walter Minuth, Rikus van Euphorbias from A – Z p. 27-31 Veldhuisen & Volker Buddensiek EUPHORBIA WORLD 2011, Vol. 7(2) Rikus van Veldhuisen Members' Meeting p. 4 Graham Williamson Euphorbia caput-medusae L. - a journey from the foggy p. 5-11 Cape of Storms to the arid wind-blasted sands of the Namib Desert (part 1) Rolf Becker, Alma Moller & About sticks and pencils (part 4): Euphorbia spinea N.E.Br. p. 12-13 Rikus van Veldhuisen Ricarda Riina In Venezuela p. 14-17 Bruce J. Hargreaves A Euphorbia from the South African Noorsveld p. 18-20 Barbara Wagner, Jeffery J. Euphorbia Seed Atlas – Part 6 p. 21 Morawetz, Ricarda Riina, Paul E. Berry, Alma Moller & Rolf W. Becker Pjotry Lawant & Renée Euphorbias of La Gomera, , revisited (Part 1) p. 22-28 Suntjens Volker Buddensiek Euphorbias from A – Z p. 29-31 EUPHORBIA WORLD 2011, Vol. 7(3) Pjotr Lawant Report of the Annual General Meeting 2011 of the p. 4 International Euphorbia Society Graham Williamson Euphorbia caput-medusae L. - a journey from the foggy p. 5-14 Cape of Storms to the arid wind-blasted sands of the Namib Desert (part 2) Barbara Wagner, Jeffery J. Euphorbia Seed Atlas – Part 7 p. 15 Morawetz, Ricarda Riina, Paul E. Berry, Alma Moller & Rolf W. Becker Jeffery J. Morawetz In Tanzania p. 16-19 Pjotr Lawant & Renée Euphorbias of La Gomera, Canary Islands, revisitedd (part p. 20-27 Suntjens 2) Pjotr Lawant Journal & Book review p. 28-29 Pjotr Lawant & Volker Euphorbias from A – Z p. 30-31 Buddensiek EUPHORBIA WORLD 2012, Vol. 8(1) Rikus van Veldhuisen Chairman's column p. 4 Susan Carter Non-spiny succulent euphorbias of eastern tropical Africa p. 5-10 D Russel Wagner The „Doctrine of Signatures“, Euphorbia clavarioides in p. 10-11 Johannesburg's Muti Market Rikus van Veldhuisen Euphorbia schoenlandii Pax p. 12-15 Jeffery J. Morawetz In Oman p. 16-19 Detlef H. Schnabel A new variety of Euphorbia polygona Haw. from South p. 20-24 Africa – Euphorbia polygona var. exilis D.H.Schnabel Hans Fohning Digital stereo macro photography + photo stacking: a p. 25-27 modern tool for botanic studies Pjotr Lawant News from the IBC p. 27 Volker Buddensiek Euphorbias from A – Z p. 28-31 EUPHORBIA WORLD 2012, Vol. 8(2) Rikus van Veldhuisen Beauty is in the eye of the beholder p. 4 Volker Buddensiek Digital stereo photography + photo stacking: continued p. 5 Rene Samek An adventure with Euphorbia neriifolia p. 6-9 Soumen Aditya Dendroid Euphorbia species from India (Part 1) p. 10-13 Leo van der Hoeven In South Africa p. 14-17 Joachim Thiede The Striga (Orobanchaceae) – a root parasite on p. 18-23 succulent euphorbias Massimo Afferni Euphorbia dendroides L: a semi-succulent shrub p. 24-26 Bruce J. Hargreaves Roots of tree euphorbias p. 27 Pjotr Lawant Journal Review p. 28 Volker Buddensiek Euphorbias from A – Z p. 29-31 EUPHORBIA WORLD 2012, Vol. 8(3) Rikus van Veldhuisen Chairman's Column p. 4 Rolf Becker, Alma Moller & About sticks and pencils (part 5): Euphorbia indecora p. 5-7 Rikus van Veldhuisen N.E.Br. Rikus van Veldhuisen Some additional notes on Euphorbia schoenlandii Pax p. 8-9 Detlef H. Schnabel Euphorbia polygona var. hebdomadalis, a new variety from p. 10-15 South Africa Giuseppa Orlando In p. 16-19 Rikus van Veldhuisen Following the trail of the spectacular Euphorbia filiflora p. 20-26 Marloth Leonard E. Newton Going, going, nearly gone – a highly endangered tree p. 27-30 species in Kenya Alain Buffel Euphorbia photo stacking p. 31 EUPHORBIA WORLD 2013, Vol. 9(1) Rikus van Veldhuisen Chairman's Column p. 4 Pjotr Lawant & Renée The Jardín Botánico Canario „Viera Y Clavijo“ on the island p. 5-9 Suntjens of Gran Canaria Alain Rzepecky Euphorbia quaitensis S.Carter – A new record for the flora p. 10-12 of Dhofar, Sultanate of Oman From the Leach Archive: Notes on Euphorbia platyrrhiza p. 13 Massimo Afferni A monstrous bloom of Euphorbia milii Des. Moul. p. 14-15 (Euphorbiaceae) Giuseppe Orlando In Yemen (Part 2) p. 16-19 Thomas Brand Western flower thrips on succulent euphorbias p. 20-23 Rikus van Veldhuisen Euphorbia versicolores: to be, or not to be? p. 24-28 Volker Buddensiek Euphorbias from A – Z p. 29-31 EUPHORBIA WORLD 2013, Vol. 9(2) Volker Buddensiek Editor's column p. 4 Detlef H. Schnabel A morphology based taxonomic revision of the Euphorbia p. 5-26 polygona species complex J. Molero & A. M. Rovira The hybrids of semisucculent and succulent dendroid p. 27-31 Euphorbia species from La Gomera EUPHORBIA WORLD 2013, Vol. 9(3) Rikus van Veldhuisen Chairman's Column p. 4 Rikus van Veldhuisen Growing euphorbias successfully p. 5-6 Susan Carter Re-classification of a variety and a forma of two p. 7 Monadenium species Wolfgang Ewest Euphorbia orbiculifolia S.Carter and Euphorbia quaitensis p. 8-11 S.Carter – two unlike siblings Pjotr Lawant Journjal review p. 12 Massimo Afferni & Roberto A return to the past: Finding the habitat of Euphorbia p. 13-15 Mangani atropurpurea var. modesta Svent. Giuseppe Orlando In Yemen – Part 3 p. 16-19 Detlef H. Schnabel Euphorbia meloformis and Euphorbia obesa – the most p. 20-29 sought-after euphorbias From the Leach Archive: Notes on Euphorbia contorta p. 30-31 EUPHORBIA WORLD 2014, Vol. 10(1) Rikus van Veldhuisen Chairman's Column p. 4 Pjotr Lawant & Rikus van Euphorbia leachii Lawant & van Veldhuisen sp. nov., a new p. 5-8 Veldhuisen species from South Africa Rikus van Veldhuisen & Pjotr Euphorbia tridentata (Lam.) var. ornithopus (Jacq.) van p. 9-11 Lawant Veldhuisen & Lawant, comb. & stat. nov., an inevitable reduction Pjotr Lawant & Rikus van Some dubious interpretations of Euphorbia patula Mill. p. 12-15 Veldhuisen Al Laius In South Africa p. 16-19 Gerhard Marx Euphorbia audissoui Marx sp. nov. - a new succulent p. 20-25 Euphorbia species from the Western Cape Province, South Africa Rikus van Veldhuisen Growing euphorbias successfully – Multiplication: Getting p. 26-27 more of them Philippe Fenin Malagasy journey (Part 1) p. 28-31 EUPHORBIA WORLD 2014, Vol. 10(2) Rikus van Veldhuisen Chairman's Column p. 4 Rolf W. Becker & Alma The Graves at Uis: Euphorbia damarana – a plant for life or p. 5-7 Moller death Rolf W. Becker, Alma Moller About sticks and pencils (part 6): Euphorbia exilis p. 8-10 & Rikus van Veldhuisen L.C.Leach Rikus van Veldhuisen Growing euphorbias successfully – key success-factor: p. 11-13 watering Rikus van Veldhuisen In habitat: In Ethiopia p. 14-17 Susan Carter Typification of Euphorbia xylophylloides and Euphorbia p. 18-20 polygona Detlef H. Schnabel Thwo new varieties in the Euphorbia polygona species p. 21-29 complex: Euphorbia polygona var alba and Euphorbia polygona var. ambigua Philippe Fenin Malagasy journey (Part 2) p. 30-31 EUPHORBIA WORLD 2014, Vol. 10(3) International Euphorbia Convention p. 4-5 Christophe Quénel A Euphorbia disappeared for a century! Euphorbia p. 6-11 biaculeata Detlef H. Schnabel Amendment of Euphorbia polygona var. horrida typification p. 12-13 Al Laius In Habitat: in Kenya p. 14-17 Jiri R. Haager & Hana Sedivá Ekuphorbia dilloniana Haager & Sedivá – a new succulent p. 18-21 spurge species from Chile Rikus van Veldhuisen Growing euphorbias successfully – getting more of them: p. 22-25 sowing Philippe Fenin Malagasy journey (part 3) p. 26-29 Pjotr Lawant Journal review p. 30 Volker Buddensiek Euphorbias from A – Z p. 31 EUPHORBIA WORLD 2015, Vol. 11(1) Rikus van Veldhuisen Chairman's column p. 4 Rikus van Veldhuisen Euphorbia globosa (Haw.) Sims and related species p. 5-10 Rikus van Veldhuisen Growing euphorbias successfully – intensive care p. 11-13 Al Laius In Habitat: In Zimbabwe p. 14-17 Wolfgang Ewest Geophytic Euphorbia from Chile (part 1) p. 18-29 Volker Buddensiek & Detlef An „ordinary“ Euphorbia p. 30-31 H. Schnabel EUPHORBIA WORLD 2015, Vol. 11(2) Rikus van Veldhuisen Chairman's column p. 4 Gerhard Marx & Rikus van Euphorbia brevirama N.E.Br. explained, reviewed and p. 5-13 Veldhuisen supplemented with two varieties Rikus van Veldhuisen In Habitat: In Ethiopia p. 14-17 Wolfgang Ewest Geophytic Euphorbia from Chile (part 2) p. 18-31 EUPHORBIA WORLD 2015, Vol. 11(3) Volker Buddensiek Letter from the editor p. 4 Ricarda Riina, Otávio Euphorbia from Brazil: the succulent section Brasilienses p. 5 Marques & Fernanda Hurbath Pjotr Lawant Journal review p. 12 Volker Buddensiek & Alfred A new and remarkable Euphorbia species from the Red p. 13 Razafindratsira Tsingys of northern Madagascar Bob Potter In habitat: in Madagascar p. 16 Gerhard Marx Accumulation of errors regarding Euphorbia crassipes p. 20 Marloth Massimo Afferni Rare Euphorbia shrubs and trees of the Canary Islands p. 27 EUPHORBIA WORLD 2016, Vol. 12(1) Rikus van Veldhuisen Letter from the Chairman p. 4 Christophe Quénel In search of Euphorbia caput-aurem Denis, untraceable sind p. 5 1910! Susan Carter Euphorbia in Somalia p. 10 Rikus van Veldhuisen An observation on Euphorbia borenensis M.G.Gilbert p. 15 Detlef H. Schnabel A new locality of Euphorbia polygona Haw. var. horrida p. 23 (Boiss.) D.H.Schnabel on the Aasvoelberg near Willowmore (Eastern Cape, South Africa) Otávio Marques, Ines Lovers of sandy habitats and rocky outcrops: Euphorbia p. 31 Cordeiro & Ricarda Riina section Crossadenia EUPHORBIA WORLD 2016, Vol. 12(2) Volker Buddensiek Letter from the Editor p. 4 Rikus van Veldhuisen An observation on Euphorbia nigrispinoides M.G.Gilbert p. 5 Massimo Afferni Two crested euphorbias in habitat on the Canary Islands p. 24 Leonard Bert Gardening with euphorbias in the South African Bushveld p. 26 Pjotr Lawant Newly encountered plants, new descriptions, recent p. 29 additions. A summary EUPHORBIA WORLD 2016, Vol. 12(3) Obituary Daphne Pritchard p. 4 Susan Carter Euphorbia in Zimbabwe p. 5 Detlef H. Schnabel Best hardy euphorbias for northern gardens (part 1) p. 14 Rikus van Veldhuisen Flowers like an orchid p. 20 Pjotr Lawant Euphorbia: Newly encountered plants, new descriptions, p. 24 recent additions (part 2) Massimo Afferni Euphorbia spinosa L. … isn't spiny at all p. 26 Pjotr Lawant Journal review p. 30 EUPHORBIA WORLD 2017, Vol. 13(1) Rikus van Veldhuisen Letter from the Chairman p. 4 Petr Pavelka Euphorbia in Kenya p. 5 Sébastien Houyell & Euphorbia boinensis Denis ex Humbert & Leandri – a p. 13 Christophe Quenel species considered possibly extinct for quite some time Rikus van Veldhuisen & Pjotr Euphorbia subgenus Euphorbia section Rubellae: 4 p. 19 Lawant interesting geophytes from tropical East Africa Detlef H. Schnabel Best hardy euphorbias for norhern gardens (part 2) p. 26 EUPHORBIA WORLD 2017, Vol. 13(2) Rikus van Veldhuisen Letter from the Chairman p. 4 Norbert Rebmann A new species of Euphorbia from Madagascar: Euphorbia p. 5 ebeloensis Rebmann sp. nova Detlef H. Schnabel „Euphorbias were my first love“ - 30th anniverary of the p. 9 death of Robert Allen Dyer (1900-1987) Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 1: p. 16 An introduction to Kenya Pjotr Lawant Euphorbia: Newly encountered plants, new descriptions, p. 24 recent additions (part 3) I.E.S. Issues the Jatropha book of Daphne and Albert p. 28 Pritchard Volker Buddensiek & Detlef An „ordinary“ Euphorbia (continued) p. 29 H. Schnabel EUPHORBIA WORLD 2017, Vol. 13(3) Rikus van Veldhuisen Letter from the Chairman p. 4 Detlef H. Schnabel, Rikus van Some amendments in the classification of Euphorbia p. 5 Veldhuisen & J. Gerhard Marx jansenvillensis Nel Volker Buddensiek The „old veteran“ challenge p. 12 Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 2: p. 13 Tanzania Pjotr Lawant Journal Review p. 21 Pjotr Lawant Euphorbia: Newly encountered plants, new descriptions, p. 22 recent additions (part 4) Alain Buffel An alien insect feeding on sea spurge Euphorbia paralias L. p. 23 at the Belgian coast Detlef H. Schnabel Best hardy euphorbias for northern gardens (part 3) p. 30 EUPHORBIA WORLD 2018, Vol. 14(1) Sébastien Houyell On Euphorbia denisiana Guillaumin and related species of p. 6 the Euphorbia ankarensis group Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 3: p. 14 Kenya Sarojinidevi Naidu & Raja Euphorbia belagaviensis sp. nov. (Euphorbiaceae), from p. 24 Kullayiswamy Kusom Karnataka state, India Rikus van Veldhuisen Some additional notes on the cultivation of euphorbias p. 30 Evelyn Durst Fascinating and colourful Euphorbia p. 33 EUPHORBIA WORLD 2018, Vol. 14(2) Rikus van Veldhuisen Letter from the Chairman p. 4 Detlef H. Schnabel, Rikus van Taxonomy of the Euphorbia pseudoglobosa aggregate, p. 5 Veldhuisen & J. Gerhard Marx incuding the description of two new varieties Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 4: p. 22 Turkana, northwest Kenya Rikus van Veldhuisen I.E.S. Members meeting in The Netherlands p. 31 Volker Buddensiek & Detlef An „ordinary“ Euphorbia (continued) p. 34 H. Schnabel EUPHORBIA WORLD 2018, Vol. 14(3) Rikus van Veldhuisen Letter from the Chairman p. 4 Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 5: p. 5 Somalia Pjotr Lawant Euphorbia: Newly encountered plants, new descriptions, p. 15 recent additions (part 5) Volker Buddensiek A monograph of Euphorbia polygona p. 17 Pjtor Lawant Journal Review p. 19 Alain Buffel Euphorbias on the Jandia peninsula of Fuerteventura: p. 20 Euphorbia handiensis and Euphorbia canariensis revisited Rikus van Veldhuisen From the Leach Archive: Some notes on Euphorbia p. 35 opuntioides Welw. ex Hiern Detlef H. Schnabel Best hardy euphorbias for northern gardens (part 4) p. 36 EUPHORBIA WORLD 2019, Vol. 15(1) Pjotr Lawant Letter from the Assistant Editor 4 Gerhard Marx & Rikus van Euphorbia addoensis Marx & van Veldh. sp. nov. - changing 5 Veldhuisen the long overdue unnamed status of a small medusoid Euphorbia from the Eastern Cape Province, South Africa Rolf W. Becker, Alma Moller About sticks and pencils (part 7): On the true identity of 12 & Rikus van Veldhuisen Euphorbia spartaria N.E.Br. Thomas Cammaerts Euphorbias in conservation – when work meets passion 18 Rikus van Veldhuisen Euphorbia antso 22 Leonard E. Newton A new distribution record for Monadenium shebeliense 26 Susan Carter Plant hunting adventures in eastern Tropical Africa – Part 6: 28 Southeast Somalia Volker Buddensiek Do not touch! 41 Amir H. Pahlevani & Ulrich Phytogeographical, karyological and nomenclatural notes on 43 Mewe Euphorbia larica Boiss. (Euphorbiaceae) Wolfgang Ewest Letter from a member: Self-sterility in Euphorbia? 50 EUPHORBIA WORLD 2019, Vol. 15(2) Thomas Cammaerts Letter from the Publicity Officer 4 Bruce De Joung & Robert W. A new variety and a revised description of Euphorbia 5 Sterwart vajravelui Binojk. & N.P.Balakr. (Euphorbiaceae) Pjotr Lawant Letter from a member: Strong and sudden growth 19 Detlef H. Schnabel Towards conserving a threatened melon-shaped Euphorbia, 20 South Africa Susan Carter Plant hunting adventures in eastern Tropical Africa Part 7: 31 Northeast Somalia Al Laius Madagascan euphorbias (part 1) 46 Rikus van Veldhuisen From the Leach Archive: Euphorbia lividiflora 54 EUPHORBIA WORLD 2019, Vol. 15(3) Volker Buddensiek Letter from the Editor 4 Rikus van Veldhuisen Strong and sudden growth – additional thoughts 5 Al Laius Madagascan euphorbias (part 2) 6 Rene Samek Strong and sudden growth – an answer 17 C. S. Purohit, R. N. Kulloli & Euphorbia jodhpurensis Blatt. & Halb., an endemic plant 18 A. Bharti from the Indian desert and its range extension from Tedgarh- Raoli wildlife sanctuary, Rajasthan Susan Carter Plant hunting adventures in eastern Tropical Africa Part 8: 23 Red Sea Hills, Rikus van Veldhuisen From the Leach Archives: Notes on Euphorbia ramulosa 36 Rolf W. Becker & Alma Rediscovery at the type locality and reinstatement of 38 Möller Euphorbia baliola N.E.Br., a Namibian endemic Detlef H. Schnabel Best hardy euphorbias for northern gardens (part 5) 46 Pjotr Lawant Newly encountered plants, new descriptions, recent 53 additions (part 6) EUPHORBIA WORLD 2020, Vol. 16(1) Rikus van Veldhuisen Announcing the Daphne Pritchard Award 4 Susan Carter Plant hunting adventures in eastern Tropical Africa Part 9: 5 Zimbabwe Wolfgang Ewest Letter from a member: Euphorbia francoisii – from a cutting 16 to a full-grown plant Rikus van Veldhuisen Revision of the informal Euphorbia caput-medusae group 17 Al Laius Madagascan euphorbias (part 3) 42 Wolfgang Ewest Euphorbia pervilleana Baill. - A Euphorbia with spectacular 46 fruits Pjotr Lawant Journal Review 50 EUPHORBIA WORLD 2020, Vol. 16(2) Bob Potter Letter from the Treasurer 4 Susan Carter Plant hunting adventures in eastern Tropical Africa Part 10: 5 Tanzania revisited Pjotr Lawant Letter from a member: Euphorbia in a bottle 20 Petr Pavelka A selection of Monadenium species from Tanzania 21 Leonard E. Newton Notes on Euphorbia taruensis 35 Al Laius Euphorbia lactiflua in Chile 38 Ricarda Riina Three sweet tabaibas instead of one: splitting former 41 s.l. and resurrecting the forgottend Euphorbia sepium Jean-Philippe Castillon Rediscovery, rehabilitation and typification of Euphorbia 46 leandriana Boiteau EUPHORBIA WORLD 2020, Vol. 16(3) Rikus van Veldhuisen Letter from the Chairman 4 Jean-Philippe Castillon & On Euphorbia milii (Euphorbiaceae) and its varieties 5 Jean-Bernard Castillon Detlef H. Schnabel Euphorbia esculenta Marloth – the edible spurge 21 Volker Buddensiek A new synonym in the genus Euphorbia L. 32 Susan Carter Plant hunting adventures in eastern tropical Africa, Part 11: 33 Kenya, Tanzania and Zimbabwe revisited Jaime Ernesto Rivera- The great Euphorbia radians Benth. 47 Hernández, Abel Felipe Vargas-Rueda, Graciela Alcántara-Salinas, Miguel de Jesús Cházaro-Basáñez & Juan A. Pérez-Sato Rikus van Veldhuisen From the Leach Archive: Euphorbia coerulans Pax 53 Tomáš Mazuch, Giuseppe A new species of Euphorbia subgen. Euphorbia sect. 56 Orlando, Ahmed Ibrahim Euphorbia (Euphorbiaceae) from the Horn of Africa, with a Awale, Hassan Sh list of succulent spiny Euphorbia from Somaliland Abdirahman Elmi & Vitezslav Vlk Pjotr Lawant Newly encountered plants, new descriptions, recent 68 additions (part 7) EUPHORBIA WORLD 2021, Vol. 17(1) Rikus van Veldhuisen Presenting the „Daphne Pritchard Memorial Award“ 4 Norbert Kilian & Mohamed The identity of a succulent Euphorbia shrub in southern 5 Al-Fatimi Yemen with spirally twisted branches Al Laius A few Euphorbiaceae in Socotra 13 Wessel Swanepoel Euphorbia otjingandu Swanepoel, the shortstem candelabra 18 tree of the Kaokoveld, northwestern Namibia Rikus van Veldhuisen Euphorbia beharensis Leandri, from a collector's point of 30 view Gillian Evison A life with euphorbias 36 Spinax Name that plant! 42 Rikus van Veldhuisen From the Leach Archive: Euphorbia ambroseae L.C.Leach 43 Roland Seidelt Some remarks on Euphorbia poissonii Pax 46 Pjotr Lawant Journal Review 53 Pjotr Lawant Euphorbia: Newly encountred plants, new descriptions, 54 recent additions (part 8) EUPHORBIA WORLD 2021, Vol. 17(2) Volker Buddensiek Letter from the Editor 4 Volker Buddensiek Obituary Pjotr Lawant 5 Thomas Haevermans & Taxonomic decisions and novelties in the informal 6 Wilbert Hetterscheid Euphorbia decaryi group from Madagascar Detlef H. Schnabel What is wrong with my Euphorbia? 20 Rikus van Veldhuisen Growing euphorbias successfully – in boxes! 21 Marijke Bouwmeester A life amongst euphorbias 24 Jean-Philippe Castillon Corrections of errors concerning Euphorbia leandriana 28 Boiteau (Euphorbiaceae) and related species Leonard E. Newton Life forms combined 37 Rikus van Veldhuisen Some euphorbias from Tanzania 40 Volker Buddensiek It's taxonomy, stupid! 46

Editor's note: You can purchase single back issues as well as entire volumes of Euphorbia World, Vol. 1 (2005) to Vol. 14 (2018), on the website of the International Euphorbia Society www.euphorbia- international.org without joining the society. In order to receive the latest issues of 2019 to the current issue, however, you have to become a member of the I.E.S. at www.euphorbia-international.org/ies/about_ies_become_member.htm It's the annual membership fee that allows us to print and distribute 3 issues of Euphorbia World per year. Good growing Volker Buddensiek