Development of conceptacles in Amphiroa (Corallinales, Rhodophyta)

Edgar Francisco Rosas-Alquicira, Rafael Riosmena-Rodríguez, Gustavo Hernández-Carmona, Ana Isabel Neto

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

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.
Original languageAmerican English
Pages (from-to)698-708
Number of pages11
JournalActa Botanica Brasilica
DOIs
StatePublished - 1 Dec 2013
Externally publishedYes

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Amphiroa
Azores
Gulf of California
sporangia
Rhodophyta
Portugal
Mexico
Corallinales

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Rosas-Alquicira, Edgar Francisco ; Riosmena-Rodríguez, Rafael ; Hernández-Carmona, Gustavo ; Neto, Ana Isabel. / Development of conceptacles in Amphiroa (Corallinales, Rhodophyta). In: Acta Botanica Brasilica. 2013 ; pp. 698-708.
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Development of conceptacles in Amphiroa (Corallinales, Rhodophyta). / Rosas-Alquicira, Edgar Francisco; Riosmena-Rodríguez, Rafael; Hernández-Carmona, Gustavo; Neto, Ana Isabel.

In: Acta Botanica Brasilica, 01.12.2013, p. 698-708.

Research output: Contribution to journalArticleResearchpeer-review

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