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Type: Artigo de periódico
Title: Seed and embryo morphology of Poecilanthe (Fabaceae, Papilionoideae, Brongniartieae)
Author: Meireles, JE
Tozzi, AMGD
Abstract: This work analyses and describes seed and embryo morphology of eight Poecilanthe species. Poecilanthe species can be divided in four groups based on seed and embryo characters: (1) P. amazonica-type has overgrown seeds, bears cataphylls on the epicotyl and has an inflexed hypocotyls-root axis; (2) P. effusa-type has two types of trichomes on the epicotyl, which is longer than the hypocotyls-root axis; (3) P. parvilora-type has a visible lens and the raphe runs around three-quarters of the seed circumference; and P. grandiflora-type bears a one-lipped rim aril. Poecilanthe presents a remarkable diversity both in seed and embryo, which reinforces the belief that the genus is not monophyletic. Moreover, our results support the three major clades recognized by a preliminary phylogeny. (C) 2008 The Linnean Society of London.
Subject: aril
hypocotyls-root axis
Country: EUA
Editor: Wiley-blackwell
Citation: Botanical Journal Of The Linnean Society. Wiley-blackwell, v. 158, n. 2, n. 249, n. 256, 2008.
Rights: fechado
Identifier DOI: 10.1111/j.1095-8339.2008.00881.x
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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