Abstract
Three new species of Indigofera L. (Leguminosae) are described from Sichuan and Yunnan provinces in China. Indigofera shipingensis X. F. Gao, known only from a single specimen collected in 1961 from Shiping County, Yunnan, has unifoliolate leaves and is most similar to I. caloneura Kurz from southern Yunnan and Southeast Asia. Indigofera megaphylla X. F. Gao, described from Yuanjiang County and also endemic to neighboring Shiping County in southern Yunnan, resembles I. dichroa Craib and I. balfouriana Craib from western to northern Yunnan, Sichuan, and southern Xizang, although these two species have much smaller leaflets. Indigofera pseudoheterantha X. F. Gao & Schrire is described from Sichuan County and occurs from the Daocheng to Miyi counties in southwestern Sichuan to the Zhongdian region of northwestern Yunnan, and appears closely related to I. heterantha Wallich ex Brandis from northwestern Yunnan to southern Xizang, westward to the Himalayas.
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