尖叶茶藨子 jian ye cha biao zi

Ribes distans Janczewski; R. tricuspe Nakai.

Shrubs dioecious, to 1 m tall. Branchlets glabrous, unarmed. Buds brownish, ovoid, 4-7 mm, apex acuminate; scales glabrous or margin puberulent. Petiole 5-10 mm, glabrous or sparsely glandular hairy; leaf blade broadly ovate to suborbicular, 2.5-5 × 2-4 cm, abaxially usually coarsely appressed hairy only along veins, adaxially coarsely appressed pubescent, base broadly cuneate to rounded, rarely truncate; lobes 3, margin coarsely obtusely serrate; terminal lobe subrhombic, longer than lateral ones, apex acuminate; lateral lobes ovate-triangular, apex acute. Male racemes 2-4 cm, more than 10-flowered, female ones shorter, fewer than 10-flowered; rachis and pedicels sparsely shortly glandular hairy; bracts elliptic-lanceolate, 3-5 mm, glabrous or margin ciliate. Pedicel 1-3 mm. Calyx yellowish brown, glabrous; tube saucer-shaped, 1.5-2 mm; lobes erect, narrowly ovate, 1.5-2.5 mm. Petals obovate, minute. Stamens equaling or longer than petals, reduced ones clavate in female flowers; anthers subequaling filaments. Ovary glabrous. Style 2-lobed. Fruit red, subglobose, 0.6-0.8 cm, glabrous. Fl. May-Jun, fr. Aug-Sep.

Forests and thickets in valleys, mountain slopes; 900-2700 m. Heilongjiang, Jilin, E Liaoning [Japan, Korea, Russia].