Waxberry seeds, also known as Tuba beans, are slightly toxic and can be used as a medicinal herb, most effective in treating constipation, mainly used as a laxative, and should not be eaten by mistake.

Propagation of waxberry can be propagated by sowing, pressing, grafting, dividing and other propagation methods of waxberry seeds.

Waxberry is a genus of waxberry in the family Waxaceae, deciduous shrubs, often clumped. Leaves opposite, elliptic-ovate to ovate-lanceolate, flowers inserted in the leaf axils of the second-year branches, flowers before leaves, fragrant, 2~4 cm in diameter; tepals orbicular, oblong, obovate, elliptic or spatulate, glabrous, filaments longer than or equal to anthers, anthers inwardly curved, glabrous, styles up to three times as long as the ovary, the base is hairy. Flowering leaves first in late winter.

Wild in Shandong, Hunan, Hubei, Henan, Shaanxi, Sichuan, Guizhou, Yunnan, and other provinces; cultivated in Guangxi, Guangdong, and other provinces. Born in mountain forests. Japan, Korea and Europe, America have introduced cultivation.