Polimorfismo de Grateloupia C. Agardh (Halymeniaceae-Rhodophyta) no estuário do Complexo Lagunar de Jacarepaguá, Rio de Janeiro

Marcia Abreu de Oliveira Figueiredo, Claudia de Britto Mourão, Yocie Yoneshigue-Valentin


The polymorphic thallus of G. doryphora and G. filicina were followed for the first time in Brazil in the estuary of the Complexo Lagunar de Jacarepaguá, Rio de Janeiro. These morphogenesis result from patterns of growth, showing a seasonal periodicity of dominant forms. The sporophytic plants are more frequent than the gametophytic, but there is not a relation between the reproductive phases and the thallus form. G. cuneifolia's references in brasilian coast must belong to G. doryphora, which is differentiated from G. filicina by the variety of habit and the anatomy, having no intermediated forms among them.


Grateloupia; polimorfismo; distribuição sazonal; taxonomia de algas.

Texto completo:


Insula - Universidade Federal de Santa Catarina - Departamento de Botânica - Centro de Ciências Biológicas - Campos Universitário - Trindade - CEP 88040-900 - Florianópolis - SC – Brasil.

ISSN print 0101-9554
ISSNe 2178-4574