A new Commelina (Commelinacea) from Baja California Sur, Mexico

Abstract

In this work, Commelina rebmanii León-de la Luz is described and illustrated, the new species grows naturally in the coastal environment of southern Baja California Sur, Mexico. It is found only in 2 locations: the sand dunes of Punta Arena del Sur and the beach north of Cabo San Lucas. A closely related species seems to be Commelina erecta, widely distributed in America, from which it differs because of its smaller size of the spathe-like bracts and petals, as well, has a geniculate style with 1 or 2 curls, and additionally they occupy very distinct habitats. The species is endangered due to human disturbance in a wide geographic area.