Foliaceous opposite, compound leaf of 2 Hui Yu shape, flocculus line form or wrap around needle form, celadon, spicate, beautiful bine is fine tall, spend labial form, hua La is purple.

• 叶对生,二回羽状复叶,小叶线形或披针形,灰绿色,穗状花序,花茎细高,花唇形,花蓝紫色。