a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments
any shrub or small tree of the genus Bumelia
Rhamnus Oriental Arborvitae Platycladus
Rhamnus cathartic A strong cathartic and stimulant causing bowel movements. It is mostly used as a laxative.
As A Treatment"...These compounds act very similar to their related compounds in Cascara Sagrada, as laxatives..."