3. Berchemia lineata (Linnaeus) Candolle, Prodr. 2: 23. 1825.
铁包金 tie bao jin
Rhamnus lineata Linnaeus, Cent. Pl. 2: 11. 1756.
Shrubs, prostrate or procumbent, rarely to 2 m tall. Branchlets yellow-green, densely pubescent; older branches glabrescent. Stipules remarkable, reddish, lanceolate, 3-5 mm, persistent; petiole 1-3 mm, pubescent; leaf blade abaxially greenish and with minute dark pits, adaxially dark green, broadly elliptic or oblong-ovate, 5-20 × 4-12 mm, papery, both surfaces glabrous, lateral veins 4-6 pairs, base rounded, apex rounded or obtuse, with a mucro 1-2 mm, often slightly emarginate. Flowers white, very small, 4-5 mm in diam., in terminal cymose racemes or in fascicles of few to 10 in leaf axils. Pedicel 2.5-4 mm, glabrous. Calyx tube campanulate; lobes triangular-lanceolate, ca. 1.5 mm. Petals lanceolate, ca. 2.5 mm. Stamens slightly longer than petals, with very thin, flat filaments. Drupe yellowish green when young, dark blue and waxy at maturity, globose to ovoid to ellipsoid, 5-6 mm, to 3 mm in diam., with persistent disk and calyx tube at base; fruiting pedicel 4.5-5 mm, pilose. Fl. Jul-Oct, fr. Nov.
Hills, open places, roadsides; low elevations. Fujian, Guangdong, Guangxi, Hainan, Taiwan [?India, Japan, Vietnam].
The roots and leaves are used medicinally for relieving coughs and reducing sputum and for treating injuries, trauma, and snakebites.