摘要： Phalaenopsis malipoensis Z.J.Liu et S.C.Chen,a new species of Orchidaceae from southeastern Yunnan,is described and illustrated.This is a quite distinct species from those known from China and its adjacent regions.It shows a faint resemblance to Phalaenopsis gibbosa Sweet of Laos and Vietnam,but differs by having narrower petals,not zigzag rachis and a large callus on the midlobe of the lip which is deeply forked with each arm dividing into 2 filiformlinear antennae.

关键词: 麻栗坡蝴蝶兰, 新种, 云南