石生茶藨子 shi sheng cha biao zi

Ribes cuneatum Karelin & Kirilov.

Shrubs dioecious, 0.5-1 m tall. Branchlets glabrous or puberulent; nodal spines 2, small; internodes unarmed or with sparse, needlelike spines. Buds narrowly ovoid, 3-5 mm, puberulent then glabrescent, apex acute. Petiole 1-2 cm, glabrous; leaf blade obovate, 1-2.5 cm, puberulent only at margin when old and sometimes also abaxially, base cuneate; lobes 3, distal, margin coarsely obtusely dentate, apex obtuse or acute; terminal lobe slightly longer than lateral ones. Male racemes erect, 3-6 cm, female ones 3-5 cm, 10-flowered or more; rhachis and pedicels pubescent then glabrescent; bracts oblong to ligulate, 4-6 mm, 1-veined, margin puberulent. Pedicel 2-3 mm. Calyx greenish, glabrous; tube pelviform to shallowly cupular, 1.5-2 mm; lobes reflexed, ligulate to obovate, 2-3 mm. Petals flabellate, smaller than calyx lobes. Stamens subequaling petals. Ovary glabrous. Style 2-lobed. Fruit dark red, globose, 0.5-0.7 cm, glabrous. Fl. May-Jun, fr. Jul-Aug.

Thickets on dry slopes, stony slopes; low altitudes. N Xinjiang [Russia].