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FOC | Family List | FOC Vol. 8 | Saxifragaceae | Chrysosplenium

20. Chrysosplenium flagelliferum F. Schmidt, Reis. Amur-Land., Bot. 134. 1868.

蔓金腰 man jin yao

Herbs cespitose. Stolons arising from basal leaf axils. Stolon leaves alternate, subreniform, larger apically on stolons, 0.6-1 × 1-1.9 cm, adaxially pilose, margin obtusely 5-8-dentate. Stems glabrous. Basal leaves with petiole 3-13 mm; leaf blade reniform to orbicular-reniform, 1.2-3.8 × 1.5-5.3 cm, abaxially glabrous, adaxially pilose, base cordate, margin obtusely 12-18-dentate. Cauline leaves 3 or 4, alternate; petiole 0.6-1 cm; leaf blade broadly suborbicular, 4-8 × 5-10 mm, glabrous, margin obtusely 5-dentate. Cyme 3.5-6.3 cm, remotely flowered; branches glabrous; bracteal leaves with petiole 1.6-3 mm, pilose, leaf blade broadly ovate or obovate to broadly orbicular, 2-7 × 1.8-8.3 mm, base subcuneate to obliquely cuneate, margin obtusely 3-5-dentate. Flowers ca. 4.6 mm in diam.; pedicel glabrous. Sepals subspreading, ovate to subrhombic, 1.9-2 × 1.2-2 mm, glabrous, apex obtuse or acute. Stamens 8, ca. 0.9 mm. Ovary semi-inferior; styles ca. 0.7 mm. Disc distinct. Capsule ca. 3 mm, apex subtruncate, retuse; carpels subequal; rostrums ca. 0.7 mm. Seeds dark brown, shiny, ellipsoid, 0.7-0.8 mm, sparsely puberulous. Fl. and fr. May-Jul. 2n = 24.

Shaded and wet places in forest understories, riversides; 400-500 m. ?Hebei, Heilongjiang, Jilin, Liaoning [Japan, Korea, Mongolia, Russia].


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