Abstract: Stachyurus himalaicus ssp. purpureus Y. P. Zhu&Z. Y. Zhang，a new subspecies of Stachyuraceae from eastern Himalaya，is described. It differs from the typical subspecies，S. hi-malaicus ssp. himalaicus，by having purplish pink to dark purple flowers. The new subspecies oc-curs in Xizang（Tibet）of China，E Nepal，Sikkim，Bhutan，and NE India，usually growing in dense forests at an altitude between2200and3300m.

Key words: Stachyurus, Stachyurus himalaicus ssp. purpureus Y. P. Zhu&Z. Y. Zhang.