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

58. Potentilla angustiloba T. T. Yu & C. L. Li, Acta Phytotax. Sin. 18: 11. 1980.

窄裂委陵菜 zhai lie wei ling cai

Herbs perennial. Roots terete, upper parts thick, lower parts prolonged, slender. Flowering stems spreading or ascending, 8–30 cm tall, together with petioles sparsely villous or hirtellous. Radical leaves 3–12 cm including petiole; stipules dark brown, membranous, pilose or glabrescent; leaf blade palmately 5-foliolate; leaflets obovate-elliptic or oblong-elliptic, abaxially densely white tomentose, appressed white villous on veins, adaxially appressed pilose or glabrescent, margin 2–4-parted to midvein, apex acute or acuminate; segments fasciated, 0.5–1.5 cm × 0.8–1 mm, apex acute or acuminate; cauline leaves 1–3, resembling radical ones but petioles becoming shorter higher up stem; stipules green, ovate-lanceolate, herbaceous, abaxially densely appressed villous, margin entire or 1- or 2-dentate; leaflet margin 3–5-fid. Inflorescence terminal, corymbose-cymose, 3–12-flowered. Flowers 0.8–1 cm in diam.; pedicel 0.5–1 cm, appressed villous. Sepals triangular-ovate or ovate-oblong, apex acuminate; epicalyx segments fasciated lanceolate, slightly shorter than sepals, abaxially appressed villous, apex acuminate. Petals yellow, obovate, nearly equaling or longer than sepals, apex emarginate. Stamens ca. 20. Carpels numerous; style subterminal, base thickened; stigma slightly dilated. Achenes not seen. Fl. and fr. Jun–Sep.

Grasslands, valleys, sandy river banks; 2500--3200 m. Gansu, Qinghai, Xinjiang.


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