Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/2996
Título: Development of conceptacles in Amphiroa (Corallinales, Rhodophyta)
Autor: Rosas-Alquicira, Edgar
Riosmena-Rodríguez, Rafael
Hernández-Carmona, Gustavo
Neto, Ana I.
Palavras-chave: Carposporangial Filament Origin
Sporangium Location
Sporangial Pore Canal Anatomy
Senescence
Taxonomy
Data: 2013
Editora: Sociedade Botânica do Brasil
Citação: Rosas-Alquicira EF, Riosmena-Rodríguez R, Hernández-Carmona G & Neto AI (2013). "Development of conceptacles in Amphiroa (Corallinales, Rhodophyta)". Acta Botanica Brasilica, 27(4): 698-708.
Resumo: Here, we describe the development of sporangial and gametangial conceptacles for Amphiroa beauvoisii and A. vanbosseae; sporangial conceptacles only for A. misakiensis; and gametangial conceptacles only for A. cryptarthrodia and A. rigida. The descriptions are based on the observation of histological preparations obtained from 112 specimens collected from the Gulf of California, in Mexico, and the Azores archipelago of Portugal. Information on the development of the sporangial conceptacle pore and conceptacle senescence is here described and illustrated for the first time. Four development patterns were observed: two for sporangial conceptacles; one for spermatangial conceptacles; and one for carposporangial conceptacles. The phases of development of the sporangial conceptacle were found to be useful in delimiting species within the genus. Based on the sporangium location on the cavity floor and the pore canal anatomy, the species A. beauvoisii, A. misakiensis and A. vanbosseae can be distinguished from each other.
Peer review: yes
URI: http://hdl.handle.net/10400.3/2996
ISSN: 0102-3306 (Print)
1677-941X (online)
Aparece nas colecções:DBIO - Artigos em Revistas Internacionais / Articles in International Journals

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