Xanthosoma mexicanum Liebm.

Ortiz, Orlando Oriel, de Stapf, María Sánchez, Baldini, Riccardo Maria & Croat, Thomas Bernard, 2019, Synopsis of aroids (Alismatales, Araceae) from Cerro Pirre (Darién Province, Panama), Check List 15 (4), pp. 651-689 : 686

publication ID	https://doi.org/ 10.15560/15.4.651
DOI	https://doi.org/10.5281/zenodo.5479488
persistent identifier	https://treatment.plazi.org/id/03F487E3-9D5F-FFE8-FC87-FE8A3245FBA2
treatment provided by	Marcus
scientific name	Xanthosoma mexicanum Liebm.
status

Treatment

Xanthosoma mexicanum Liebm. View in CoL

Material examined. Cerro Pirre; 07°52′N, 077°44′W; 11 Apr. 1967; N. Bristán 596 ( MO).

Identification. This species is characterized by having terrestrial habit, subterranean cormose stems, densely pubescent subterete petioles, deltate or ovate to oblongovate simple blades, cordate to subsagittate at base, pubescent on both surfaces; spathe tube uniformly green externally, purple internally and spathe blade whitish or cream; spadices with whitish male portion, purple sterile portion, and pale-yellow female portion. On Cerro Pirre, Xanthosoma mexicanum is the only species of the genus that has pubescent leaves.

Distribution and ecology. Brazil, Colombia, Costa Rica, El Salvador, Guatemala, Mexico, Nicaragua, Panama, and Venezuela. In the only examined specimen it was not specified in which locality of Cerro Pirre was found. Due to this, it is not possible to know the habitat where this species ocurrs in the study site. According to Croat et al. (2017b), the individuals of X. mexicanum disappear during the dry season and reappear in the rainy season.