Phalaenopsiszhanhouana (Orchidaceae, Vandeae), a new species from Yunnan, China.

A new species of Orchidaceae, Phalaenopsiszhanhouana , from Xichou County, Yunnan, China, is described and illustrated. The novelty is close to P.taenialis , P.wilsonii , and P.stobartiana , but differs from them by having a distinct, fleshy anterior callus with a deeply lobed apex at the base of the labellum and lateral lobes of labellum reflexed and facing outward.