五台金腰 wu tai jin yao

Chrysosplenium alternifolium Linnaeus subsp. sibiricum (Seringe) Hultén; C. alternifolium var. sibiricum Seringe; C. sibiricum (Seringe) Kharkevich.

Herbs 6.5-19.5 cm tall, not brown spotted. Stolons with scalelike leaves brown pilose at margin. Basal leaves with petiole 2.5-4 cm, pilose; leaf blade reniform to orbicular-reniform, 0.8-2.5 × 1-3 cm, both surfaces and margin pilose, sometimes glabrous abaxially, margin 8-11-crenate, teeth 1-verrucose at apex. Cauline leaf usually 1, rarely absent; petiole 1.5-4 cm, brown pilose; leaf blade reniform, 0.4-1 × 0.7-1.7 cm, ± pilose, base subcordate to cordate, margin 5-9-crenate. Cyme 1.5-3 cm; bracteal leaves brown pilose and papillose at axil, leaf blade ovate or broadly subovate to broadly orbicular, 0.4-1.5 × 0.3-2 cm, glabrous, base cuneate to broadly so, margin 2-7-crenate, rarely entire. Flowers yellow, 3-4 mm in diam.; pedicel glabrous or pilose. Sepals erect, broadly ovate to orbicular, 1.5-2 × 1.4-2 mm, glabrous, apex obtuse. Stamens 8, ca. 1 mm. Ovary semi-inferior; styles erect or divergent, ca. 0.7 mm. Capsule 2.6-3 mm, apex retuse; carpels subequal; rostrums 0.5-0.7 mm. Seeds dark brown, shiny, ovoid, 0.9-1 mm, smooth, glabrous. Fl. and fr. May-Jul.

Forests, riversides; 1700-2800 m. Hebei, Heilongjiang, Nei Mongol, Shanxi [Japan, Korea, Mongolia, Russia].