水葡萄茶藨子 shui pu tao cha biao zi

Shrubs prostrate, spreading, rooting, 0.2-0.4 m tall. Branchlets yellowish brown or brownish when young, later grayish brown, glabrous, sparsely yellow glandular, unarmed. Buds brown, oblong-ovoid to ellipsoid, 4-7 mm, apex obtuse or acute; scales pubescent at margin. Petiole 2-4 cm, glabrous or sparsely pubescent when young, yellow glandular or with some glandular hairs; leaf blade orbicular-reniform, 2.5-6 × 5-8 cm, glabrous on both surfaces or abaxially sparsely fragrant yellow glandular, rarely puberulent along veins, base truncate to shallowly cordate; lobes 3-5, ovate, margin deeply obtusely dentate, apex obtuse; terminal lobe subequaling lateral ones. Racemes 2-4 mm, 6-12-flowered; rachis and pedicels glabrous; bracts broadly triangular-ovate, 0.7-1.5 mm, sometimes absent. Flowers bisexual; pedicel 2-6 mm. Calyx pubescent and sparsely glandular; tube greenish, pelviform, 1-1.5 mm; lobes reflexed, purple, ovate to ovate-elliptic, 2-3.5 mm, 3-veined. Petals subflabellate to obovate, 1-1.5 mm. Stamens subequaling petals; anthers subglobose. Ovary glabrous or sparsely yellow glandular. Style entire or stigma 2-lobed. Fruit purple-brown, ovoid-globose, 1-1.3 cm in diam., glabrous, sparsely yellow glandular. Fl. May-Jun, fr. Jul-Aug.

Coniferous or mixed forests, river banks; low altitudes. N Heilongjiang, NE Nei Mongol [Japan, N Korea, N Mongolia, Russia].