Plowmanianthus

Plowmanianthus Faden & C.R.Hardy is a genus of plants with 5 species and 2 subspecies in the family Commelinaceae (the spiderwort and dayflower family). The genus is distributed from Panama to Amazonian Peru and Brazil.

==Systematics & Distributions== Plowmanianthus is a member of the subtribe Dichorisandrinae of the tribe Tradescantieae of the flowering plant family Commelinaceae. It has 5 species and 2 subspecies, all of which were described with the circumscription of the genus itself by Hardy and Faden (2004). Proceeding from the north to south and southeast of the genus's distribution, the taxa are as follows. Plowmanianthus dressleri is endemic to Panama, west of the Canal Zone. Plowmanianthus panamensis is endemic to Panama, east of the Canal Zone. Plowmanianthus grandifolius is native to Amazonian Ecuador, northern Amazonian Peru, and western Brazil. It consists of two subspecies. P. grandifolius ssp. grandifolius is native to northern Amazonian Peru and western Brazil; P. grandifolius ssp. robustus C.R.Hardy & Faden is native to Amazonian Ecuador and northern Amazonian Peru. Plowmanianthus peruvianaus is native to northern Amazonian Peru. Plowmanianthus perforans is native to southern Amazonian Peru.