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

77. Potentilla desertorum Bunge in Ledebour, Fl. Altaic. 2: 267. 1830.

荒漠委陵菜 huang mo wei ling cai

Herbs perennial. Roots robust, terete. Flowering stems erect or ascending, 20–50 cm tall, together with petioles pubescent, villous, and stipitate or sessile red glandular. Radical leaves 8–20 cm including petiole; stipules dark brown to purple, membranous, abaxially densely pubescent, villous, and stipitate or sessile red glandular; leaf blade palmately or subpedately 5-foliolate; leaflets sessile or shortly petiolulate, obovate-cuneate or obovate, abaxially pubescent, villous, and stipitate or sessile red glandular, adaxially pilose or glabrescent, margin coarsely obtusely many serrate; cauline leaves: stipules herbaceous, abaxially densely pubescent and glandular, margin entire or 2-parted, apex acuminate; leaf blade 5-foliolate, uppermost ones 3-foliolate; leaflets resembling those of radical leaves, shortly petiolulate. Inflorescence terminal, corymbose-cymose. Flowers 1.5–2 cm in diam.; pedicel 1–2 cm, pubescent, villous, and stipitate or sessile glandular. Sepals ovate-lanceolate or ovate-oblong, apex acute or acuminate; epicalyx segments erect after flowering, lanceolate, nearly equaling sepals, abaxially pubescent, villous, and stipitate or sessile glandular, apex acuminate, usually 2-fid. Petals yellow, obovate, apex emarginate. Style subterminal, base markedly thickened; stigma dilated. Achenes smooth or inconspicuously rugose. Fl. and fr. Jun–Aug.

Ravines, river banks; ca. 1700 m. Xinjiang [India, Mongolia, Russia].


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