DOCSLIB.ORG

Late Eocene to Early Oligocene), Puebla, Mexico

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Late Eocene to Early Oligocene), Puebla, Mexico Palaeontologia Electronica palaeo-electronica.org Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico Elia Ramírez-Arriaga, Mercedes B. Prámparo, and Enrique Martínez-Hernández ABSTRACT Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State, Mexico are provided, some of them of chronostratigraphic importance (Aglaoreidia pristina, Armeria, Bombacacidites, Corsinipollenites, Eucommia, Favitricolporites, Intratriporopollenites, Lymingtonia, Magnaperiporites, Malvacipollis spinulosa, Margo- colporites aff. vanwijhei, Momipites coryloides, Momipites tenuipolus, Mutisiapollis, Ranunculacidites operculatus, and Thomsonipollis sabinetownensis). Taxa identified from the Cuayuca Formation suggest local semiarid vegetation such as tropical decid- uous forest, chaparral, grassland, and arid tropical scrub, in which angiosperms are one of the main representatives. Nevertheless, temperate taxa from Pinus forest and cloud forest were also registered from regional vegetation. It is noticeable that at the present time, such taxa are well represented in the vegetation of the Balsas River Basin, which would suggest the existence of this type of flora in the Cuayuca region since the Oligocene. Elia Ramírez-Arriaga. Departamento de Paleontología, Instituto de Geología, Universidad Nacional Autónoma de México, Av. Universidad 3000, Ciudad Universitaria, C.P. 04510, México, Distrito Federal, [email protected]. Mercedes B. Prámparo. Centro Regional de Investigaciones Científicas y Tecnológicas, Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales, Unidad de Paleopalinología, Mendoza, Argentina. [email protected] Enrique Martínez-Hernández. Departamento de Paleontología, Instituto de Geología, Universidad Nacional Autónoma de México, Av. Universidad 3000, Ciudad Universitaria, C.P. 04510, México, Distrito Federal. [email protected] Keywords: systematic palynology; angiosperm pollen grains; Cuayuca Formation; Paleogene vegetation; Mexican Cenozoic basins PE Article Number: 18.1.2A Copyright: Paleontological Society January 2015 Submission: 27 February 2014. Acceptance: 19 December 2014 Ramírez-Arriaga, Elia, Prámparo, Mercedes B., and Martínez-Hernández, Enrique. 2014. Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico. Palaeontologia Electronica 18.1.2A: 1-38. palaeo-electronica.org/content/2015/1027-angiosperm-pollen-cuayuca-fm RAMÍREZ-ARRIAGA, PRÁMPARO, & MARTÍNEZ-HERNÁNDEZ: ANGIOSPERM POLLEN CUAYUCA FM. FIGURE 1. Location of the nine sections studied from the Cuayuca Formation, Puebla, Mexico. 1, Principal, “A” and “B” sections; 2, “F”, “H” and second sections; and 3, Lagunillas, Lagunillas de Rayón and Tzompahuacan sections. INTRODUCTION gene and Neogene pollen grains are lacking in most of those studies. The Cuayuca Formation was described by The present contribution deals with the taxon- Fries (1966), who designated a Miocene-Pliocene omy and systematics of selected angiosperm pol- age. Subsequently, palynostratigraphic research len grains (Monocotyledonae or Liliopsida and has allowed it to be re-assigned to a late Eocene- Dicotyledonae or Magnoliopsida) obtained from the early Oligocene age based on the presence of Cuayuca Formation, some of them of chronostrati- some index taxa, such as Cicatricosisporites doro- graphic importance. The Monocotyledonae (Liliop- gensis, Aglaoreidia pristina, Ephedripites claricri- sida) pollen grains are represented by status, Malvacipollis spinulosa, Margocolporites monosulcate and monoporate aperture types and aff. vanwijhei, Momipites tenuipolus, Ranuncula- Dicotyledonae (Magnoliopsida) pollen grains cidites operculatus, Polyadopollenites aff. pflugii, include colpate, colporoidate, colporate, porate, and Thomsonipollis sabinetownensis (Ramírez- and inaperturate pollen types. This contribution Arriaga et al., 2006, 2008). The Cuayuca Forma- constitutes one of the first taxonomic descriptions tion is within the Balsas Group; it was deposited in of angiosperm pollen grains recovered from the central Mexican Tertiary basins generated through evaporites of the Cuayuca Formation, which pro- tectonic events (Silva-Romo et al., 2000). Cur- vides useful information for a better understanding rently, those Paleogene basins are distributed of the paleobiodiversity and distribution of the Mex- throughout the Mezcala-Balsas hydrological sys- ican plant communities during the late Paleogene. tem (Fries, 1960) also known as the Balsas River Basin. The Cuayuca Formation yielded a diverse MATERIAL AND METHODS and well preserved terrestrial palynological assem- blage obtained from nine outcrop sections in A total of 49 samples were collected from nine Puebla State, southern Mexico (Figure 1). The pal- outcrop sections, with 21 samples bearing palyno- ynoflora studied includes gymnosperm and angio- morphs (Figure 2). All samples were processed sperm pollen grains, as well as pteridophyte and through standard methods (HCI and HF). The bryophyte spores. Ramírez-Arriaga et al. (2005) slides obtained have been stored in the UNAM published systematic descriptions of spores and (Universidad Nacional Autónoma de México), at gymnosperm pollen grains. the Geology Institute Palynological Collection There are several publications dealing with (IGLUNAM). Samples were examined with a Zeiss Mexican Cenozoic palynology (Graham, 1976; transmitted light microscope, and the photomicro- Martínez-Hernández et al., 1980; Tomasini-Ortíz graphs were taken with a Sony digital camera. In and Martínez-Hernández, 1984; Palacios and Rze- order to highlight the morphology, some photo- dowsky, 1993; Martínez-Hernández and Ramírez- graphs were taken in phase-contrast. Coordinates Arriaga, 1996, 1999; Graham, 1999), but taxo- of the illustrated specimens were provided, most of nomic studies with detailed descriptions of Paleo- them using an England Finder (EF) slide. Total 2 PALAEO-ELECTRONICA.ORG FIGURE 2. Stratigraphic columns with the location of the palynological samples studied from the Cuayuca Forma- tion, Puebla, Mexico. counts of taxa at the different sections studied are sections: 1) principal section; 2) section “A” (Cuay shown in Table. A); 3) section “B” (Cuay B); 4) section “F” (IzF); 5) section “H” (IzH); 6) second section (IzS); 7) Lagu- Statistical Analysis nillas section (Lag); 8) Lagunillas de Rayón section In order to determine vegetation types, taxa (LagRay); and 9) Tzompahuacan section (Tzo). were classified by means of multivariate analysis The WINCLADA data matrix from PAE analy- via hierarchical clustering analysis, in which groups sis (Nixon, 2002) shows rows that correspond to were defined using the Ward method with a Euclid- outcrop sections and columns for palynomorphs, ian distance of 1.8; this was done using program R whose presence (1) or absence (0) in each section (Johnson, 2000). In addition, Constrained Cluster is indicated. In hierarchic grouping, sections were Analysis (CONISS) through the incremental sum of clustered according to the presence of taxa. NONA squares method was applied using the Tilia Graph was used to carry out the parsimony analysis program, in order to define paleopalynological (Goloboff, 1993). The PAE analysis included a heu- changes in the Cuayuca Formation Mcy Member ristic search with tree bisection and reconnection (Grimm, 1987). This analysis was also able to give (TBR), branch swapping with 500 replications hold- information concerning the most representative ing 10 trees per replication, and further expanding elements in each paleocommunity. the memory to hold up to 10,000 trees. WINCLADA calculated three statistics that reflect the degree of The Parsimony Analysis of Endemicity (PAE) conflict among data: a) Length=L; b) Consistency Parsimony Analysis of Endemicity (Rosen, Index=CI; and c) Retention Index=RI. In the pres- 1988; Morrone and Crisci, 1995; Ramírez-Arriaga ent work, clades are supported by the presence of et al., 2008, 2014) was used to compare the paly- palynomorphs, and unique occurrences are nomorph diversity of Cuayuca Formation outcrop emphasized with black circles. 3 RAMÍREZ-ARRIAGA, PRÁMPARO, & MARTÍNEZ-HERNÁNDEZ: ANGIOSPERM POLLEN CUAYUCA FM. TABLE. List of angiosperm and gymnosperm pollen grains identified in Cuayuca Mcy Member: second section (Sec- ond); Tzompahuacan section (Tz); Lagunillas de Rayón section (LR); Lagunillas section (L); “B”section (“B”); “F” sec- tion (“F”); “H” section (“H”); Principal section (Principal); “A” section (“A”). SECTIONS Second Tz LR L "B" "F" "H" Principal "A" Samples Pb-8899 Pb-8902 Pb-9141 Pb-9515 Pb-9147 Pb-9343 Pb-8868 Pb-8869 Pb-8870 Pb-8871 Pb-8872 Pb-8890 Pb-8891 Pb-8896 Pb-8897 Pb-8898 Pb-9136 Pb-9137 Pb-9138 Pb-9334 Pb-9337 Pb-9339 Pb-9340 DYCOTYLEDONAE Alnus vera 111 133 2 1 1 Armeria type sp. 2 1 2 1 2 1 Bombacacidites sp. 11 Caryophyllaceae type 1 Caryapollenites sp. 2 1 1 1 1 Casuarinidites sp. 11 213 141 Chenopodipollis sp. 12312 63129265 Clavainaperturites sp. 1 1 Corsinipollenites spp. 4 1 2 4 2 Cupuliferoidaepollenites sp. 3 Cupuliferoipollenites sp. 1 Eucommia pollen type 31 1102 Euphorbiaceae type 21 Fabaceae pollen type 4 1 1 2 Favitricolporites sp. 1 Ficus type 1 Gesneriaceae type 1 Glycydendron pollen type 1 Intratriporopollenites sp. 1 1 Juglanspollenites sp. 1 1 Labiatae type 1 Landolphia pollen type
Load more

Recommended publications
  • Peter H. Griggs
    STRATIGRAPHIC SIGNIFICANCE OF FOSSIL POLLEN AND SPORES OF THE CHUCKANUT FORMATION, NORTHWEST WASHINGTON Thosis far the Degree of. M. S. MICHIGAN STATE UNIVERSI'I’Y Peter H. Griggs 1965 ~-.. 'Wfi— wwWWL ‘1. .Illilllflu‘fllllf -Jnl.| IEI‘II‘I'IIIIVFI (II 'llllll‘lll.‘ I, l {III-III! I’lII 'II (III! III, [I , . III! [III [I I'll! (III. (I ABSTRACT STRATIGRAPHIC SIGNIFICANCE OF FOSSIL POLLEN AND SPORES OF THE CHUCKANUT FORMATION, NORTHWEST WASHINGTON by Peter H. Griggs The Chuckanut Formation, a series of strongly folded, terrestrial sandstones and shales, outcrops in northwestern Washington. The rocks have been previously assigned an age of Upper Cretaceous to lower Eocene based upon plant megafossils. The microfossil flora of the standard section along the east shore of Samish Bay was examined in order to determine the relationship of the Chuckanut to the Burrard (middle Eocene) of British Columbia. A zonation and envir- onmental interpretation of the standard section was desired for further refinement of the geological history of Tertiary rocks in the Pacific Northwest. Twenty—two samples, representing 9,H8u feet of section, were examined for palynomorphs. Data were collected for both relative frequency and stratigraphic analysis. Seventy— nine palynomorphs are described. The Samish Bay section is divided into three zones. The zonation is based on changes in the relative frequency f and the stratigraphic range of the palynomorphs. These ’ '_ ‘ V'II -7 r1 ' < P812631 ALL. '.,I I» ) I— (1 0'). OT changes were brought about by changing environmental and climatic conditions during the deposition of the rocks. An age of Paleocene to lower Eocene is assigned to the Samish Bay section.
    [Show full text]
  • Luciana Almeida Gomes Teixeira Biologia Da
    LUCIANA ALMEIDA GOMES TEIXEIRA BIOLOGIA DA POLINIZAÇÃO DE DUAS ESPÉCIES SIMPÁTRICAS DE RUBIACEAE EM UM REMANESCENTE DE MATA ATLÂNTICA DE PERNAMBUCO. Dissertação apresentada ao Programa de Pós- Graduação em Biologia Vegetal da Universidade Federal de Pernambuco como parte dos requisitos necessários para a obtenção do título de Mestre em Biologia Vegetal. RECIFE - PE 2001 LUCIANA ALMEIDA GOMES TEIXEIRA BIOLOGIA DA POLINIZAÇÃO DE DUAS ESPÉCIES SIMPÁTRICAS DE RUBIACEAE EM UM REMANESCENTE DE MATA ATLÂNTICA DE PERNAMBUCO. Dissertação apresentada ao Programa de Pós- Graduação em Biologia Vegetal da Universidade Federal de Pernambuco como parte dos requisitos necessários para a obtenção do título de Mestre em Biologia Vegetal. Orientadora: Profa. Dra. Isabel Cristina Sobreira Machado RECIFE - PE 2001 Recife, 23 de Março de 2001. BANCA EXAMINADORA: TITULARES: Profa. Dra. Isabel Cristina S. Machado (Orientadora) Prof. Dr. Paulo Eugênio Oliveira - UFU Prof. Dr. Clemens Schilndwein - UFPE SUPLENTES: Prof. Dr. Celso Martins - UFPB Profa. Dra. Gladys Flávia de Albuquerque Melo de Pinna - UFPE. AGRADECIMENTOS Com mais uma etapa da minha vida concluída, gostaria de agradecer a todos que, direta ou indiretamente, me ajudaram com o apoio, companheirismo, ensinamentos e em especial, À Professora Isabel Cristina Machado por mais essa oportunidade de me ensinar a amar a biologia floral e, cada vez mais, estimular a descobrir e entender os mecanismos desta ciência. Obrigada pela confiança, amizade, paciência e por mostrar, sempre, com o próprio exemplo, o caminho do bom profissionalismo. Aos meus pais, Jano e Ana Lúcia, ao meu avô Flávio e aos meus irmãos, Flaviano, Igor e Janaina pelo amor, paciência, apoio e, acima de tudo, pelos ensinamentos diários.
    [Show full text]
  • VOLCANIC INFLUENCE OVER FLUVIAL SEDIMENTATION in the CRETACEOUS Mcdermott MEMBER, ANIMAS FORMATION, SOUTHWESTERN COLORADO
    VOLCANIC INFLUENCE OVER FLUVIAL SEDIMENTATION IN THE CRETACEOUS McDERMOTT MEMBER, ANIMAS FORMATION, SOUTHWESTERN COLORADO Colleen O’Shea A Thesis Submitted to the Graduate College of Bowling Green State University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August: 2009 Committee: James Evans, advisor Kurt Panter, co-advisor John Farver ii Abstract James Evans, advisor Volcanic processes during and after an eruption can impact adjacent fluvial systems by high influx rates of volcaniclastic sediment, drainage disruption, formation and failure of natural dams, changes in channel geometry and changes in channel pattern. Depending on the magnitude and frequency of disruptive events, the fluvial system might “recover” over a period of years or might change to some other morphology. The goal of this study is to evaluate the preservation potential of volcanic features in the fluvial environment and assess fluvial system recovery in a probable ancient analog of a fluvial-volcanic system. The McDermott Member is the lower member of the Late Cretaceous - Tertiary Animas Formation in SW Colorado. Field studies were based on a southwest-northeast transect of six measured sections near Durango, Colorado. In the field, 13 lithofacies have been identified including various types of sandstones, conglomerates, and mudrocks interbedded with lahars, mildly reworked tuff, and primary pyroclastic units. Subsequent microfacies analysis suggests the lahar lithofacies can be subdivided into three types based on clast composition and matrix color, this might indicate different volcanic sources or sequential changes in the volcanic center. In addition, microfacies analysis of the primary pyroclastic units suggests both surge and block-and-ash types are present.
    [Show full text]
  • Effect of Substrates on the Mycorrhization and Growth of Saba Senegalensis Under Semi-Controlled Conditions
    American Journal of Plant Sciences, 2019, 10, 1612-1622 https://www.scirp.org/journal/ajps ISSN Online: 2158-2750 ISSN Print: 2158-2742 Effect of Substrates on the Mycorrhization and Growth of Saba senegalensis under Semi-Controlled Conditions Paul Diouf1, Sire Diedhiou1* , Dioumacor Fall2, Daouda Ngom3, Mariama Dalanda Diallo4, Ibrahima Ndoye3 1Agroforestry Department, Assane Seck University, Ziguinchor, Senegal 2Senegalese Institute of Agricultural Research, Dakar, Senegal 3Plant Biology Department, Cheikh Anta Diop University, Dakar, Senegal 4Agronomic Sciences of Aquaculture and Food Technology UFR, UGB, Saint-Louis, Sénégal How to cite this paper: Diouf, P., Died- Abstract hiou, S., Fall, D., Ngom, D., Diallo, M.D. and Ndoye, I. (2019) Effect of Substrates on the Saba senegalensis is a wild edible fruit plant species with a high economic po- Mycorrhization and Growth of Saba senega- tential which can be used to fight food insecurity in rural areas and to reduce lensis under Semi-Controlled Conditions. poverty. Domestication programs are being carried out to boost production. American Journal of Plant Sciences, 10, 1612- 1622. However, no studies have been done to determine the optimal soil properties https://doi.org/10.4236/ajps.2019.109114 for growing S. senegalensis. This study was carried out to determine the ef- fects of the physical and chemical properties of different substrates on the Received: July 8, 2019 mycorrhization and growth of S. senegalensis under semi-controlled conditions. Accepted: September 16, 2019 Published: September 19, 2019 S. senegalensis seeds were grown for 4 months in the nursery using five sub- strates: S1 (1/2 sand + 1/2 potting soil), S2 (1/3 sand + 2/3 potting soil), S3 (2/3 Copyright © 2019 by author(s) and sand + 1/3 potting soil), S4 (potting soil) and S5 (sand).
    [Show full text]
  • The End of Red Rubber: a Reassessment Author(S): Robert Harms Source: the Journal of African History, Vol
    The End of Red Rubber: A Reassessment Author(s): Robert Harms Source: The Journal of African History, Vol. 16, No. 1 (1975), pp. 73-88 Published by: Cambridge University Press Stable URL: http://www.jstor.org/stable/181099 Accessed: 10-01-2017 01:41 UTC REFERENCES Linked references are available on JSTOR for this article: http://www.jstor.org/stable/181099?seq=1&cid=pdf-reference#references_tab_contents You may need to log in to JSTOR to access the linked references. JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://about.jstor.org/terms Cambridge University Press is collaborating with JSTOR to digitize, preserve and extend access to The Journal of African History This content downloaded from 128.103.149.52 on Tue, 10 Jan 2017 01:41:30 UTC All use subject to http://about.jstor.org/terms Journal of African History, xvi, I(I975), pp. 73-88 73 Printed in Great Britain THE END OF RED RUBBER: A REASSESSMENT1 BY ROBERT HARMS THE wild rubber boom which hit the African continent in the last decade of the nineteenth century and continued through the first decade of the twentieth had an impact that was both economic and political.
    [Show full text]
  • Pollen Morphology of Crotonoideae (Euphorbiaceae) from Seasonally Dry Tropical Forests, Northeastern
    See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/301575541 Pollen morphology of Crotonoideae (Euphorbiaceae) from Seasonally Dry Tropical Forests, Northeastern... Article in Plant Systematics and Evolution · April 2016 DOI: 10.1007/s00606-016-1300-z CITATIONS READS 0 138 4 authors: Lidian Ribeiro de Souza Daniela S. Carneiro-Torres Universidade Estadual de Feira de Santana Universidade Estadual de Feira de Santana 2 PUBLICATIONS 0 CITATIONS 22 PUBLICATIONS 98 CITATIONS SEE PROFILE SEE PROFILE Marileide Dias Saba Francisco de Assis Ribeiro dos Santos Universidade Estadual da Bahia Universidade Estadual de Feira de Santana 11 PUBLICATIONS 6 CITATIONS 107 PUBLICATIONS 659 CITATIONS SEE PROFILE SEE PROFILE Some of the authors of this publication are also working on these related projects: Study of flora and pollen grains for inclusion in the online pollen catalogue 'Rede de Catálogos Polínicos online' (RCPol): a tool for the management and conservation of bees View project Comparative palynological studies of stingless bees' products from the Lower Amazon and the caatinga vegetation in Brazil View project All content following this page was uploaded by Lidian Ribeiro de Souza on 12 July 2016. The user has requested enhancement of the downloaded file. Pollen morphology of Crotonoideae (Euphorbiaceae) from Seasonally Dry Tropical Forests, Northeastern Brazil Lidian R. de Souza, Daniela S. Carneiro- Torres, Marileide D. Saba & Francisco de A. R. dos Santos Plant Systematics and Evolution ISSN 0378-2697 Plant Syst Evol DOI 10.1007/s00606-016-1300-z 1 23 Your article is protected by copyright and all rights are held exclusively by Springer- Verlag Wien.
    [Show full text]
  • BULLETINS of AMERICAN PALEONTOLOGY and PALAEONTOGRAPHICA AMERICANA
    8'oL HARVARD UNIVERSITY |v 1 ^J^y^ MUS. COMP. BULLETINSZOoL ^ LIBRARY OF MAR 4 *97^ HAi UNJVERi^-AMERICAN PALEONTOLOGY VOL. LXIV 1973-74 Paleontological Research Institution Ithaca, New York 14850 U. S. A. In Memoriam Orville L. Bandy 1916-1973 CONTENTS OF VOLUME LXIV Bulletin No. Pages Plates 278. Palynology of the ASmond Formation (Upper Cretaceous) Rock Springs Uplift, Wyoming. By J. Fred Stone 1-136 1-20 279. Tabulate Corals and Echinoderms from the Pennsylvanian Winterset Limestone, Hog- shooter Formation, Northeastern Oklahoma. By H. L. Strimple and J. M. Cooke 137-168 21 280. Stratigraphy and Genera of Calcareous Foraminifera cf the Fraileys Fades (Missis- sippian) of Central Kentucky. By R. G. Browne and E. R. Pohl 169-244 22-31 281. Crinoid Studies. Part I. Some Pennsylvanian Crinoids from Nebraska. Part. II. Some Permian Crinoids from Nebraska, Kansas, and Oklahoma. By R. K. Pabian and H. L. Strimple 245-338 32-41 INDEX volume. Each number is No separate index is included in the listed in the begin- indexed separately. Contents of the volume are ning of the volume. BULLETINS MUS. COMP. 200U LIBRARY OF OCT 16 19^ AMERICAN t^S«?fALEONTOLOGY (Founded 1895) Vol. 64 No. 278 PALYNOLOGY OF THE ALMOND FORMATION (UPPER CRETACEOUS), ROCK SPRINGS UPLIFT, WYOMING By J. Fred Stone 1973 Paleontological Research Institution Ithaca, New York 14850, U.S.A. PALEONTOLOGIGAL RESEARCH INSTITUTION 1972 - 73 President Daniel B. Sass Vice-President Merrill W. Haas Secretary Philip C. Wakeley Assistant Secretary Rebecca S. Harris Director, Treasurer Katherine V. W. Palmer Counsel Armand L. Adams Representative AAAS Council John Pojeta, Jr.
    [Show full text]
  • Isopogon & Petrophile
    A U S T R AL I A N N A T I V E P L A N T S A S S O C I A T I O N ( A U S T ) Isopogon & Petrophile Study Group Newsletter No. 22 April 2018 ISSN 1445-9493 Website http://anpsa.org.au/iso-petSG/ STUDY GROUP LEADERS/NEWSLETTER EDITORS Catriona Bate & Phil Trickett Email: [email protected] Ph: 0409 789 567 Isopogon teretifolius, Hi Vallee farm, Badgingarra WA, October 2017. See page 10 for our profile of this species. Back issues of the Isopogon and Petrophile Study Group Newsletter are available at http://anpsa.org.au/iso-petSG/IPSG-news.html Isopogon & Petrophile Study Group Newsletter April 2018 1 In this issue Editorial From our members Exchanging cuttings and seed Galls galore Cranbourne I&P Special Collection Painting I. formosus Plant profile – I. teretifolius Plant profile – P. sessilis Dryandra Woodland WA: discovering P. circinata and I. villosus Learnings from Cranbourne Special Collection A seed germination diary: I. anethifolius and P. pulchella Grafting update Seed vs cuttings: P. pedunculata Growing WA natives: experiences in the east and the west Petrophile fossils? Two names discovered In the press Financial report Dear Members, The traditional hot, dry summer reputation of Australia seems to have struck with a vengeance this year. Members have reported little useful rainfall for the entire summer with inland NSW and Victoria/South Australia suffering through one of their driest summers on record. Even here on the normally wet South Coast of NSW, we have had our driest summer since we moved here in 2010.
    [Show full text]
  • Phylogeny and Systematics of the Rauvolfioideae
    PHYLOGENY AND SYSTEMATICS Andre´ O. Simo˜es,2 Tatyana Livshultz,3 Elena OF THE RAUVOLFIOIDEAE Conti,2 and Mary E. Endress2 (APOCYNACEAE) BASED ON MOLECULAR AND MORPHOLOGICAL EVIDENCE1 ABSTRACT To elucidate deeper relationships within Rauvolfioideae (Apocynaceae), a phylogenetic analysis was conducted using sequences from five DNA regions of the chloroplast genome (matK, rbcL, rpl16 intron, rps16 intron, and 39 trnK intron), as well as morphology. Bayesian and parsimony analyses were performed on sequences from 50 taxa of Rauvolfioideae and 16 taxa from Apocynoideae. Neither subfamily is monophyletic, Rauvolfioideae because it is a grade and Apocynoideae because the subfamilies Periplocoideae, Secamonoideae, and Asclepiadoideae nest within it. In addition, three of the nine currently recognized tribes of Rauvolfioideae (Alstonieae, Melodineae, and Vinceae) are polyphyletic. We discuss morphological characters and identify pervasive homoplasy, particularly among fruit and seed characters previously used to delimit tribes in Rauvolfioideae, as the major source of incongruence between traditional classifications and our phylogenetic results. Based on our phylogeny, simple style-heads, syncarpous ovaries, indehiscent fruits, and winged seeds have evolved in parallel numerous times. A revised classification is offered for the subfamily, its tribes, and inclusive genera. Key words: Apocynaceae, classification, homoplasy, molecular phylogenetics, morphology, Rauvolfioideae, system- atics. During the past decade, phylogenetic studies, (Civeyrel et al., 1998; Civeyrel & Rowe, 2001; Liede especially those employing molecular data, have et al., 2002a, b; Rapini et al., 2003; Meve & Liede, significantly improved our understanding of higher- 2002, 2004; Verhoeven et al., 2003; Liede & Meve, level relationships within Apocynaceae s.l., leading to 2004; Liede-Schumann et al., 2005). the recognition of this family as a strongly supported Despite significant insights gained from studies clade composed of the traditional Apocynaceae s.
    [Show full text]
  • Downloaded from Brill.Com10/09/2021 12:24:23AM Via Free Access 2 IAWA Journal, Vol
    IAWA Journal, Vol. 26 (1), 2005: 1-68 WOOD ANATOMY OF THE SUBFAMILY EUPHORBIOIDEAE A comparison with subfamilies Crotonoideae and Acalyphoideae and the implications for the circumscription of the Euphorbiaceae Alberta M. W. Mennega Nationaal Herbarium Nederland, Utrecht University branch, Heidelberglaan 2, 3584 es Utrecht, The Netherlands SUMMARY The wood anatomy was studied of 82 species from 34 out of 54 genera in the subfamily Euphorbioideae, covering all five tribes recognized in this subfamily. In general the woods show a great deal of similarity. They are charac­ terized by a relative paucity of vessels, often arranged in short to long, dumbbell-shaped or twin, radial multiples, and by medium-sized to large intervessel pits; fibres often have gelatinous walls; parenchyma apotracheal in short, wavy, narrow bands and diffuse-in-aggregates; mostly uni- or only locally biseriate rays, strongly heterocellular (except Hippomane, Hura and Pachystroma). Cell contents, either silica or crystals, or both together, are nearly always present and often useful in distinguishing between genera. Radiallaticifers were noticed in most genera, though they are scarce and difficult to trace. The laticifers are generally not surrounded by special cells, except in some genera of the subtribe Euphorbiinae where radiallaticifers are comparatively frequent and conspicuous. Three ofthe five tribes show a great deal of conformity in their anatomy. Stomatocalyceae, however, stand apart from the rest by the combination of the scarcity of vessels, and mostly biseriate, vertically fused and very tall rays. Within Euphorbieae the subtribe Euphorbiinae shows a greater vari­ ation than average, notably in vessel pitting, the frequent presence of two­ celled parenchyma strands, and in size and frequency of the laticifers.
    [Show full text]
  • Pollen Morphology of the Euphorbiaceae with Special Reference to Taxonomy
    Pollen morphology of the Euphorbiaceae with special reference to taxonomy W. Punt (Botanical Museum and Herbarium, Utrecht) {received December 28th, 1961) CONTENTS Chapter I General Introduction 2 a. Introduction 2 b. Acknowledgements 2 Chapter II History 2 a. Pollen morphology 2 b. Euphorbiaceae 4 Chapter III Material 5 Chapter IV Methods 6 a. Flowers 6 b. Pollen preparations 7 c. Preservation of pollen grains 7 d. Microscopes 8 e. Punched cards 8 f. Drawings 9 Chapter V Some nomenclatural remarks 9 Chapter VI Pollen morphology 10 Chapter VII Glossary 15 Chapter VIII Results 18 A. Pollen grains of the Euphorbiaceae 18 B. Discussion of the results 20 a. Phyllanthoideae 20 Antidesma configuration 20 Amanoa configuration 32 Phyllanthus nutans configuration 37 Breynia configuration 38 Aristogeitonia configuration 40 b. Crotonoideae 47 Croton configuration 47 Cnesmosa configuration 57 Dysopsis configuration 60 Plukenetia configuration 60 Chiropetalum configuration 65 Cephalomappa configuration 68 Sumbavia configuration 69 Bernardia configuration 73 Mallotus configuration 77 Claoxylon configuration 90 Cladogynos configuration 93 Hippomane configuration 95 Summary 106 References 107 Index 110 CHAPTER I GENERAL INTRODUCTION a. Introduction Many investigators have stated (e.g. Lindau 1895, Wodehouse Erdtman that 1935, 1952), pollen morphology can be of great also importance for plant taxonomy, while it was known that in Euphorbiaceae several types of pollen grains exist (e.g. Erdtman 1952). On the suggestion of Professor Lanjouw, who himself has worked on the Euphorbiaceae of Surinam, the author has investigated the pollen grains of this family of that area. From the result it was apparent that in the Surinam different could be Euphorbiaceae many pollen types distinguished.
    [Show full text]
  • The Yellowstone Paleontological Survey
    E PALEONT ON O T LO S G W I O C L A L L E National Y Park The Yellowstone Service Department of the Interior Paleontological Survey SURVEY Vincent L. Santucci Yellowstone Center for Resources National Park Service Yellowstone National Park, Wyoming YCR-NR-98-1 1998 How to cite this document: Santucci, V. L. 1998. The Yellowstone Paleontological Survey. Yellowstone Center for Resources, National Park Service, Yellowstone National Park, Wyoming,YCR-NR-98-1. Current address for Vincent L. Santucci is National Park Service, P.O. Box 592, Kemmerer, WY 83101. The Yellowstone Paleontological Survey To Lt. Col. Luke J. Barnett, III “Uncle by blood, brother in spirit!” Vincent L. Santucci Yellowstone Center for Resources National Park Service Yellowstone National Park, Wyoming YCR-NR-98-1 1998 Table of Contents Introduction .................................................................................................... 1 Stratigraphy .................................................................................................... 4 Fossil Chronology........................................................................................... 6 Taxonomy ..................................................................................................... 12 Localities ...................................................................................................... 15 Interpretation ................................................................................................ 19 Paleontological Resource Management.......................................................
    [Show full text]