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Vascular Plants – Systematics and Characteristics

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Vascular Plants – Systematics and Characteristics Tracheophyte Phylogeny Poster Vascular Plants – Systematics and Characteristics HORNWORTS, MOSSES, LIVERWORTS SEE "BRYOPHYTE" PHYLOGENY POSTER homosporous lvs eligulate sporangia s.t. clustered in terminal strobili LYCOPODIALES Lycopodiaceae lvs usually with single central, unbranched vein root dichotomous cormose to rhizomatous sporangia reniform, dorsiventral and transversely dehiscent, 1 (adaxial) per leaf lvs spiral, in basal rosette microspores monolete megaspores 50–300 ISOËTALES Isoëtaceae heterosporous lvs ligulate sporangia on 4-sided strobili lvs 4-ranked microspores trilete megaspores 4 SELAGINELLALES Selaginellaceae sporangiophores in terminal strobili lvs whorled, fused into sheaths encircling base of internodes stems ridged with internal hollow canals spores with elaters 4–6, straplike EQUISETALES Equisetaceae Lycophytes each leaf with fertile (sporophore) & sterile (trophophore) parts (latter inclined relative to former) Ophioglossaceae roots unbranched, root hairs absent OPHIOGLOSSALES Ferns collateral leaf vascular bundles gametophyte nonphotosynthetic, often subterranean, mycorrhizal roots absent lvs reduced, veins 1 or 0 sporangia 2–3, fused: synangium PSILOTALES Psilotaceae tropical, megaphyllous, stipules + polycyclic siphonostele often synangia, annulus – sporangia open by longitudinal slit or pores MARATTIALES Marattiaceae annulus lateral on sporangium opening apically OSMUNDALES Osmundaceae Monilophytes sporophyte dominant receptacle elongate sporangia vascular tissue: sporangia in sori lvs thin, usually 1 cell layer single-layered tracheids + sieve cells sporangia primarily multi-layered: sori marginal with annulus: Hymenophyllaceae sporangia many eusporangial tapetum plasmodial HYMENOPHYLLALES zygote: pseudoendospore + leptosporangial 1st division horizontal siphonostele stem protoxylem mesarch root steles with 3–5 protoxylem poles rhizome with scales; veins anastomosing sporangia maturation simultaneous GLEICHENIALES Gleicheniaceae Matoniaceae Dipteridaceae annulus transverse, subapical opening by longitudinal slit SCHIZAEALES Anemiaceae Lygodiaceae Schizaeaceae aquatic aerenchyma + leaf dimorphism heterosporous; sporocarps; annulus – hairs SALVINIALES Marsileaceae Salviniaceae endospore 2-layered Cyatheaceae usually tree ferns LIVERWORTS Cibotiaceae Dicksoniaceae Metaxyaceae sori often terminal on veins CYATHEALES MOSSES Thyrsopteridaceae Loxsomataceae HORNWORTS Culcitaceae Plagiogyriaceae LYCOPHYTES FERNS Saccolomataceae Cystodiaceae TRACHEOPHYTES (incl. HORSETAILS) CYCADS sporangial maturation mixed Lonchitidaceae Lindsaeaceae GINKGO annulus vertical on sporangium euphyll Pteridaceae Dennstaedtiaceae EPHEDRA interrupted by stalk and stomium leaf gaps WELWITSCHIA POLYPODIALES protoxylem exarch GNETUM SEED GYMNOSPERMS Eupolypods I: Polypodiineae roots monopodial CONIFERS PLANTS (incl. Polypodiaceae, Davalliaceae, variously vessels ANA GRADE 30-kb cp inversion Didymochlaenaceae, Dryopteridaceae, Hypodematiaceae, ANGIOSPERMS MAGNOLIIDS Lomariopsidaceae, Oleandraceae, Tectariaceae) MONOCOTS FABIDS Eupolypods II: Aspleniineae ALVIDS (incl. Aspleniaceae, Athyriaceae, Blechnaceae, ROSIDS M Cystopteridaceae, Desmophlebiaceae, Diplaziopsidaceae, LAMIIDS Hemidictyaceae, Onocleaceae, Rhachidosoraceae, CAMPANULIDS ASTERIDS Thelypteridaceae, Woodsiaceae) Euphyllophytes males: whorls of megasporophylls at trunk apex alternate with trophophylls (no seed cones) Cycadaceae Cycas pachycaulous; pinnate megaphylls males with pollen cones; pollen tube simple roots with N2-fixing cyanobacteria seed cones with 2[3] seeds per megasporophyll Bowenia Ceratozamia Chigua Dioon lignins with syringaldehydes CYCADALES Zamiaceae Encephalartos Lepidozamia Macrozamia dioecious Microcycas Stangeria Zamia stout short shoots with zooidogamy lvs flabelliform, dichotomously veined, deciduous INKGOALES pollen tube branched G ovules 2 (basal collar); cotyledons 2 Ginkgoaceae Ginkgo xeromorphic, lvs scale-like, sheathed, shed early stems narrow, striate, photosynthetic seed cones: 1–3 ovules; double fertilization Ephedra ovules/seeds not Ephedraceae enclosed by carpel pollen tube haustorial vessels caudex primarily porose perforation plates lvs 2 (straplike) life-long basal continuous growth anemophilous dioecious venation parallel primary endosperm ♀ gametophyte tubes grow towards pollen tubes Welwitschia no bisexual strobili striate pollen Welwitschiaceae binucleate sperm GNETALES cotyledons 2 ectomycorrhizal lvs opposite, simple, broad, venation reticulate (angiosperm-like "convergence") laticifers Gnetaceae Gnetum monoecious resin canals; lvs linear (needles) pollen mostly 2-saccate Abies Cathaya Cedrus Hesperopeuce PINALES ovules 2, inverted seeds winged Pinaceae Keteleeria Larix Nothotsuga Picea loss of Pinus Pseudolarix Pseudotsuga Tsuga spermatozoids monoecious or dioecious Conifers I lvs broad to acicular nucellar pollen not saccate siphonogamy seed cones large, disintegrate cotyledons 2–4 Agathis Araucaria Wollemia leaves Araucariaceae Gymnosperms morphologically dioecious; roots with nodules diverse 1 ovule/scale, cone often one seeded receptacle and/or Acmopyle Afrocarpus Dacrycarpus Dacrydium Falcatifolium epimatium/carpidium fleshy Halocarpus Lagarostrobus Lepidothamnus Manoao Seed cotyledons 2 Podocarpaceae Microcachrys Nageia Parasitaxus Pherosphaera Phyllocladus Plants Podocarpus Prumnopitys Retrophyllum Saxegothaea CUPRESSALES monoecious eustele "double needles" (cladodes) secondary growth ovules 7–9 Sciadopityaceae Sciadopitys heterosporous Conifers II ovules / seeds dioecious pollen evergreen; pollen cones tiny pollen tube peltate microsporangiophores with 2 gametes each 1 ovule, 1 seed/cone, arillate Amentotaxus Austrotaxus Cephalotaxus cotyledons 2 Taxaceae Pseudotaxus Taxus Torreya monoecious cone scales (Juniperus: monoecious or dioecious) opposite lvs mostly scale-like Actinostrobus Athrotaxis Austrocedrus Callitris pollen not saccate Calocedrus Chamaecyparis Cryptomeria Cunninghamia ovules 1–20/scale cotyledons many Cupressus Diselma Glyptostrobus Fitzroya Fokienia seed cones terminal Juniperus Libocedrus Metasequoia Neocallitropsis Spermatophytes Cupressaceae Papuacedrus Pilgerodendron Platycladus Sequoia Sequoiadendron Taiwania Taxodium bisexual flower; fruit (ovules enclosed by carpel) Tetraclinis Thuja Thujopsis Widdringtonia Xanthocyparis loss of spermatozoids pollen tube penetrating stigma/style/nucellus/synergid (complete siphonogamy) vessels; pollenkitt; primarily zoophilous double fertilization: triploid endosperm ANGIOSPERMS SEE ANGIOSPERM PHYLOGENY POSTER COLE TCH, BACHELIER JB, HILGER HH (2018) Tracheophyte Phylogeny Poster • hypothetical tree based on molecular phylogenetic data (Oct. 2018) • branch lengths deliberate, not expressing actual time scale • if a character is marked as being a potential synapomorphy at a node/for a clade, ) this does not mean that all members of that clade possess that character • this poster is now available in 12 world languages CC-BY Dipl. Biol. Theodor C. H. Cole ( Prof. Dr. Julien B. Bachelier References Angiosperm Tracheophyte Bryophyte Schuettpelz, Schneider, The Pteridophyte Phylogeny Group, 2016 Prof. Dr. Hartmut H. Hilger Kubitzki (ed.) 1990, FGVP, Vol. I, Pteridophytes and Gymnosperms Christenhusz et al. 2011/2014; Soltis et al. 2005/2011; Ran et al. 2018 Dahlem Centre of Plant Sciences (DCPS) Phylogeny Phylogeny Phylogeny Stevens 2018, APweb, www.mobot.org/MOBOT/research/APweb Institute of Biology – Botany Textbooks: Judd et al. 2016, Simpson 2010 Freie Universität Berlin Poster Poster Poster Thanks to all members of the TPP team: Fernanda Antunes Carvalho, Mohamed Fennane, Diego Medan, Sergei L. Mosyakin, Sofi Mursidawati, Dashzeveg Nyambayar, Anastasiya V. Odintsova, Batlai Oyuntsetseg, Federico Selvi, Magsar Urgamal, Xin Zhong © The Authors, 2018 © The Altensteinstr. 6, D-14195 Berlin, Germany.
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