Evolutionary studies of Atriplex: phylogenetic relationships of Atriplex pleiantha

Atriplex pleiantha Weber differs from all other species of Atriplex in having 1) multiple female flowers subtended by two bracts, 2) female flowers with a perianth, and 3) embryos with radicles pointing downwards. Because of these significant differences it is proposed that Atriplex pleiantha be ele...

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Veröffentlicht in:American journal of botany 1990-03, Vol.77 (3), p.364-369
Hauptverfasser: Stutz, Howard C., Chu, Ge-Lin, Sanderson, Stewart C.
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container_title American journal of botany
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creator Stutz, Howard C.
Chu, Ge-Lin
Sanderson, Stewart C.
description Atriplex pleiantha Weber differs from all other species of Atriplex in having 1) multiple female flowers subtended by two bracts, 2) female flowers with a perianth, and 3) embryos with radicles pointing downwards. Because of these significant differences it is proposed that Atriplex pleiantha be elevated to the level of a separate genus and be designated Proatriplex pleiantha (Weber) Stutz & Chu. The closest relatives of Proatriplex appear to be Archiatriplex, Endolepis, Exomis, and Microgynoecium These are all diploid, monoecious annuals, have non-Kranz type leaf anatomy, and female flowers with a perianth.
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Because of these significant differences it is proposed that Atriplex pleiantha be elevated to the level of a separate genus and be designated Proatriplex pleiantha (Weber) Stutz &amp; Chu. 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Psychology ; Herbs ; natural distribution ; new mexico ; nouveau mexique ; nuevo mexico ; Ovaries ; Perianths ; phylogenie ; phylogeny ; plant anatomy ; Plant cytology, morphology, systematics, chorology and evolution ; Plant evolution ; Plant reproduction ; Plants ; taxa ; taxon ; taxonomia ; taxonomie ; taxonomy ; utah</subject><ispartof>American journal of botany, 1990-03, Vol.77 (3), p.364-369</ispartof><rights>Copyright 1990 Botanical Society of America, Inc.</rights><rights>1990 Botanical Society of America</rights><rights>1990 INIST-CNRS</rights><rights>Copyright Botanical Society of America, Inc. 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Because of these significant differences it is proposed that Atriplex pleiantha be elevated to the level of a separate genus and be designated Proatriplex pleiantha (Weber) Stutz &amp; Chu. The closest relatives of Proatriplex appear to be Archiatriplex, Endolepis, Exomis, and Microgynoecium These are all diploid, monoecious annuals, have non-Kranz type leaf anatomy, and female flowers with a perianth.</abstract><cop>Ithaca, NY</cop><pub>American Botanical Society</pub><doi>10.1002/j.1537-2197.1990.tb13565.x</doi><tpages>6</tpages></addata></record>
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subjects anatomia de la planta
anatomie vegetale
Annuals
atriplex
Aztec culture
Biological and medical sciences
Bracts
Classification
colorado
distribucion natural
distribution naturelle
Embryos
evolucion
Evolution
Female flowers
filogenia
fleur
flores
flowers
Fundamental and applied biological sciences. Psychology
Herbs
natural distribution
new mexico
nouveau mexique
nuevo mexico
Ovaries
Perianths
phylogenie
phylogeny
plant anatomy
Plant cytology, morphology, systematics, chorology and evolution
Plant evolution
Plant reproduction
Plants
taxa
taxon
taxonomia
taxonomie
taxonomy
utah
title Evolutionary studies of Atriplex: phylogenetic relationships of Atriplex pleiantha
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