Resumo

PALACIOS, Ramón A.  e  HOC, Patricia S.. Revision of the genus Prosopidastrum (Leguminosae) for Argentina. Bol. Soc. Argent. Bot. [online]. 2005, vol.40, n.1-2, pp.113-128. ISSN 1851-2372.

In 2001 the authors described three species new to science, P. dehiscens, P. angusticarpum and P. gracile, clearly differentiated from the only previously known 2 species: P. globosum (Gillies ex Hook. & Arn.) Burkart and P. mexicanum (Dressl.) Burkart on the basis of the following characters: habit, fruit, flowers, leaves and pollen. Additional field collections and observations, combined with exomorphological and palynological studies were performed. As a consequence of this research, the authors present the revision of the genus Prosopidastrum (Leguminosae) for Argentina and confirm the existence of the following entities in our country: P.striatum (Benth.) R. A. Palacios & Hoc and P. benthami (Chodat & Wilczek) R. A. Palacios & Hoc, species that were included by A. Burkart in the sinonymy of P. globosum . Finally, six species of Prosopidastrum grow in Argentina.

Palavras-chave : Prosopidastrum; Leguminosae; Systematics; Palynology; Argentina.

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