楔叶委陵菜 xie ye wei ling cai

Potentilla ambigua Cambessèdes; P. dolichopogon H. Léveillé.

Subshrubs low, tufted or perennial herbs. Roots slender, woody. Flowering stems erect or ascending, 4–12 cm tall, woody, together with petioles appressed pilose. Radical leaves 2–3 cm including petiole; stipules brown, membranous, abaxially spreading pilose or glabrescent; leaf blade 3-foliolate; leaflets obovate, elliptic, or long elliptic, 0.6–1.5 cm × 4–8 mm, subleathery, both surfaces sparsely spreading pilose or glabrescent, base cuneate, apex truncate or obtuse and 3-dentate; lateral leaflets sessile, terminal one shortly petiolulate; cauline leaves: stipules green, ovate-lanceolate, herbaceous, margin entire, apex acuminate. Inflorescence terminal, 1- or 2-flowered. Flowers 1.8–2.5 cm in diam.; pedicel 2.5–3 cm, villous. Sepals triangular-ovate, apex acuminate; epicalyx segments oblong-elliptic, slightly shorter than sepals, abaxially spreading pilose, apex acute. Petals yellow, broadly obovate, slightly longer than sepals, apex emarginate. Style sub-basal, filiform; stigma slightly dilated. Achenes slightly longer than persistent sepals, villous. Fl. and fr. Jun–Oct.

Forest margins, thickets, alpine meadows, rock crevices; 2700--3600 m. Sichuan, Xizang, Yunnan [Bhutan, Kashmir, Nepal, Sikkim].