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FOC | Family List | FOC Vol. 9 | Rosaceae | Potentilla

40. Potentilla verticillaris Stephan ex Willdenow, Sp. Pl. 2: 1096. 1799.

轮叶委陵菜 lun ye wei ling cai

Potentilla verticillaris var. acutipetala Lehmann; P. verticillaris var. condensata Th. Wolf.

Herbs perennial. Roots cylindric. Flowering stems tufted, erect, 5–16 cm tall, white tomentose and villous. Radical leaves 3–5; stipules brown, membranous, abaxially densely white villous; leaflets adaxially green, proximal ones slightly shorter than distal ones, usually 0.5–3 cm × 1–3 mm, abaxially white tomentose, sparsely white villous on veins, adaxially pilose or glabrescent, base cuneate, margin revolute, pinnately or palmately parted almost to midvein, apex obtuse or acute; segments linear or narrowly fasciated; cauline leaves 1 or 2; stipules ovate-lanceolate, abaxially densely white tomentose, margin entire; leaf blade palmately 3–5-sect; segments fasciated. Inflorescence laxly cymose, few flowered. Flowers 0.8–1.5 cm in diam.; pedicel 1–1.5 cm, white tomentose. Sepals oblong, apex acuminate; epicalyx segments linear-lanceolate, shorter than or nearly equaling sepals, abaxially white tomentose and villous, apex acute or acuminate. Petals yellow, broadly obovate, slightly longer than to ca. 2 × as long as sepals, apex emarginate. Style subterminal, base thickened; stigma dilated. Achenes smooth. Fl. and fr. May–Aug.

Thickets, grasslands, dry mountain slopes, sandy river banks; 600--1900 m. Hebei, Heilongjiang, Jilin, Nei Mongol [Japan, Korea, Mongolia, Russia (Siberia)].


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