Matelea quindecimlobata (Apocynaceae, Asclepiadoideae), a New Species from Amazonas, Brazil

摘要

Matelea quindecimlobata Farinaccio & W. D. Stevens, a new species of Asclepiadoideae, Apocynaceae, from Amazonas, Brazil, is described and illustrated. The most diagnostic aspect of this new species of Matelea Aublet s. str. is the lobed, then fimbriate outer margin of the outer corona.