Ribes viridiflorum (Cheng) L. T. Lu & G. Yao

Shrubs dioecious, 1-3 m tall. Branchlets smooth, glabrous, unarmed. Buds brownish, ovoid to oblong-ovoid, 4-6 mm, apex obtuse to acute. Petiole 1.5-3 cm, long glandular hairy; leaf blade broadly ovate to suborbicular, rarely narrowly ovate, 2-7 × 2-6 cm, pubescent, later glabrescent, adaxially sparsely appressed stalked glandular, base subtruncate to cordate; lobes 3-5, margin coarsely sharply serrate, sometimes with some double teeth; terminal lobe rhombic-ovate to rhombic, longer than ovate lateral ones, apex shortly acuminate. Male racemes 4-9 cm, 8-20-flowered, female ones shorter, 6-18-flowered; rachis and pedicels pubescent, sometimes stalked glandular; bracts oblong to oblong-lanceolate, 5-9 mm, 1-veined, margin shortly ciliate. Pedicel 2-5 mm. Calyx green to yellowish green, glabrous; tube saucer-shaped, 1.5-2 mm; lobes erect, oblong to ligulate, 2-3 mm. Petals greenish white, suborbicular. Stamens subequaling petals. Ovary glabrous. Style 2-lobed at apex. Fruit red, globose, 0.6-0.8 cm, glabrous. Fl. Apr-May, fr. Jun-Jul.

N Zhejiang.

* Forests on mountain slopes, rocks, roadsides; 500-1200 m.

Ribes tenue Janczewski var. viridiflorum Cheng, Contr. Biol. Lab. Chin. Assoc. Advancem. Sci., Sect. Bot. 10: 120. 1936.