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

23. Potentilla contigua Soják, Candollea. 43: 160. 1988.

高山委陵菜 gao shan wei ling cai

Potentilla peduncularis var. clarkei J. D. Hooker; P. peduncularis var. glabriuscula T. T. Yü & C. L. Li.

Herbs perennial, rhizomatous. Rhizomes prostrate, robust, terete. Flowering stems 10–30 cm tall, together with petioles appressed villous or sericeous. Radical leaves 10–20 cm including petiole; auricles of stipules free, apex acute to acuminate; leaf blade non-interrupted pinnate with 13–16 pairs of leaflets; terminal leaflet oblong or narrowly obovate, 1–2 cm × 5–7 mm, abaxially densely or sparsely strigose, base decurrent in apical 2 or 3 pairs of leaflets, margin sharply serrate; cauline leaves: auricles of stipules herbaceous, apex incised parted or incised serrate; leaf blade with 3–5 pairs of leaflets. Inflorescence corymbose-cymose. Flowers 1.5–2.5 cm in diam.; pedicel 1.5–4 cm. Epicalyx segments oblong to elliptic-lanceolate, margin entire or 2–4-parted. Petals yellow, broadly elliptic to obovate, apex rounded or retuse. Style lateral. Achenes not seen. Fl. and fr. May–Oct. 2n = 28.

Forest, thickets, alpine meadows, gravelly slopes; 3500--4600 m. Sichuan, Xizang [Bhutan, Nepal, Sikkim].

Potentilla contigua is similar to P. peduncularis in habit, but has radical leaf stipules with free auricles, whereas the stipules of P. peduncularis have auricles connate from the base to the apex.


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