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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/17295
Title: 
Semi-hypogeal germination in Pachyrhizus ahipa (Wedd.) parodi (Fabaceae: Phaseoleae): seedling and sapling morphology
Author(s): 
Institution: 
Universidade Estadual Paulista (UNESP)
ISSN: 
1516-8913
Sponsorship: 
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Sponsorship Process Number: 
FAPESP: 00/05657-8
Abstract: 
  • É de conhecimento geral que existe grande escassez de estudos referentes às fases juvenis das plantas, importantes como subsídio para diversos trabalhos ecológicos, taxonômicos e filogenéticos. Com base nesse pressuposto, descreveram-se morfologicamente plântulas e plantas jovens de Pachyrhizus ahipa, espécie cultivada de Phaseoleae (Fabaceae), analisando-se o tipo de plântula e caracterizando estruturalmente os cotilédones, eofilos e metafilos. Verificou-se que a plântula é semi-hipógea, tipo de germinação até então não registrado para a tribo Phaseoleae. A plântula forma dois eofilos unifoliolados e opostos, acompanhados por evidente par de estipelas. Os metafilos são trifoliolados, de filotaxia alterna. Tanto eofilos quanto metafilos são pinados, camptódromos e broquidódromos.
  • The aim of this work was to describe the morphology of seedlings and saplings of Pachyrhizus ahipa, a cultivated species of Phaseoleae (Fabaceae), analysing the seedling type and characterizing the structure of cotyledons, eophylls and metaphylls. It was observed that the seedling was semi-hypogeal, a germination type not yet recorded for the Phaseoleae tribe. It formed two opposite and unifoliated eophylls with an evident pair of stipels. Metaphylls were trifoliolate and had alternate phyllotaxis. Both eophylls and metaphylls were pinnate, camptodromous, and brochidodromous.
Issue Date: 
1-Apr-2008
Citation: 
Brazilian Archives of Biology and Technology. Brazilian Archives of Biology and Technology, v. 51, n. 2, p. 353-359, 2008.
Time Duration: 
353-359
Publisher: 
Brazilian Archives of Biology and Technology
Keywords: 
  • Morphology
  • Phaseoleae
  • sapling
  • seedling
  • eophyll
  • metaphyll
Source: 
http://dx.doi.org/10.1590/S1516-89132008000200015
URI: 
http://hdl.handle.net/11449/17295
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/17295
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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