Best Rhamnaceae
Jujube, Ziziphus jujuba, is a deciduous tree in the buckthorn family that has been cultivated in China for thousands of years. Its oval fruits change from green to reddish brown as they ripen and may be eaten fresh while crisp or dried after becoming sweeter and wrinkled. Numerous cultivars are grow...
Ziziphus mauritiana, commonly known as Indian jujube or ber, is a tropical fruit tree native to the Indian subcontinent and now widely naturalized across tropical regions of Africa, Asia, and Australia. The tree produces small round to oval fruits that mature from green to yellowish-brown, with cris...
Frangula purshiana, native to the Pacific Coast of North America, was harvested commercially on a large scale in the 19th and 20th centuries for its bark, which yields cascarin, a widely used pharmaceutical laxative.
Frangula californica is a shrub native to the western United States whose berries change from red to black as they ripen and whose bark and berries have laxative properties similar to its relative cascara.
