紫瓣石豆兰——中国兰科植物一新记录种

Bulbophyllum sonii Aver.&N.V.Duy,a new record of Orchidaceae from China

报道了中国兰科(Orchidaceae)石豆兰属(Bulbophyllum)一新记录种——紫瓣石豆兰(Bulbophyllum sonii Aver.&N.V.Duy),并提供了详细的描述和照片。该种与短序石豆兰(B.brevispicatum Z.H.Tsi)、墨脱石豆兰(B.eublepharum Rchb.f.)、蒙自石豆兰(B.yunnanense Rolfe)相似,但又区别于它的紫色花,侧萼片基部合生成船形状的合萼片,花瓣边缘具纤毛,药帽具晶体状附属物。

Bulbophyllum sonii Aver.&N.V.Duy(Orchidaceae),a new record of orchid from Tibet,China,is described and illustrated here.This species is similar to B.brevispicatum Z.H.Tsi&S.C.Chen,B.eublepharum Rchb.f.,and B.yunnanense Rolfe,but differs by having purple flowers,lower edges of lateral sepals connate,forming a cymbiform-shaped synsepal,petal margin ciliate,and anther cap with small crystalline projections.