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

72. Potentilla asperrima Turczaninow, Bull. Soc. Imp. Naturalistes Moscou. 16: 609. 1843.

刚毛委陵菜 gang mao wei ling cai

Herbs perennial. Roots terete. Flowering stems erect or ascending, 8–13 cm tall, together with petioles setose, sparsely pubescent, and stipitate or sessile glandular. Radical leaves 4–9 cm including petiole; stipules brown, membranous, abaxially setose, pubescent, and sparsely glandular; leaf blade 3-foliolate; leaflets subsessile or shortly petiolulate, obovate, 1–2.5 × 0.7–1.5 cm, abaxially setose, pubescent, and sessile glandular, adaxially setose, base cuneate, margin acutely incised serrate, occasionally doubly serrate, apex obtuse; cauline leaves 1 or 2, resembling radical ones; stipules herbaceous, abaxially setose, pubescent, and glandular. Inflorescence terminal, corymbose-cymose, few flowered. Flowers ca. 1 cm in diam.; pedicel 1–1.5 cm, villous and glandular hairy. Sepals triangular-ovate, apex acuminate; epicalyx segments lanceolate, abaxially setose, margin serrate, apex acuminate. Petals yellow, obcordate, nearly equaling or longer than sepals, apex emarginate. Style subterminal, base thickened; stigma dilated. Achenes subreniform, rugose. Fl. and fr. Jun–Sep.

Forest margins, meadows, gravels. Heilongjiang [E Russia].


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