Thottea tapanuliensis (Aristolochiaceae): A new species from Sumatra, Indonesia

Abstract

Thottea tapanuliensis (Aristolochiaceae) is described here based on a plant collected from the west coast of northern Sumatra. This species is only known from type collection and is assigned here as Critically Endangered. Morphological descriptions, photographs, a distribution map, and discussions are provided. A key to all Thottea species in Sumatra is also provided.