红杉(Larix potaninii)是一种松科落叶松属植物。

落叶乔木，高可达30米。小枝下垂，一年生枝褐色，有光泽而无毛；线形叶子长1－3.5厘米，上面中脉隆起；卵状圆柱形紫色球果长3－5.5厘米；方状圆形种鳞，露出部分常有毛，紫色的鳞苞长尖露出直伸。

Larix potaninii is a species of conifer in the family Pinaceae. It is found in China and Nepal. The southernmost species of the genus Larix, the range of Larix potaninii extends southward almost to 27° N.