The genus Portulaca L. (Portulacaceae) in Brazil

Alexa Araujo de Oliveira Paes Coelho Ana Maria Giulietti About the authors

The genus Portulaca has a mainly pantropical distribution, while some African and New World species are subtropical and a few occur in Australia, Europe and Asia. Portulaca is composed of herbs usually with alternate leaves, bearing long, usually conspicuous, axillary trichomes, and with flowers composed of 2 sepals and 4-5 petals free at the base, numerous stamens and an inferior ovary. In Brazil 13 species are recognized and each taxa is characterized morphologically, with taxonomic notes and illustrations.

Floristic inventory; descriptions; illustrations; Brazilian species


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