东爪草属（学名：Tillaea）是景天科下的一个属，为水生或陆生小草。该属共有40种，分布于北半球寒温地带。

Crassula is a genus of succulent plants containing about 1480 accepted species, including the popular jade plant (Crassula ovata). They are native to many parts of the globe, but cultivated varieties originate almost exclusively from species from the Eastern Cape of South Africa.