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

48. Potentilla hololeuca Boissier ex Lehmann, Del. Sem. Hort. Hamburg. 1849: 8. 1849.

全白委陵菜 quan bai wei ling cai

Herbs perennial. Roots robust, terete. Flowering stems erect or ascending, 5–25 cm tall, together with petioles canescent tomentose and villous. Radical leaves 2–6 cm including petiole; stipules brown, membranous, sparsely villous; leaf blade pinnate with 2 pairs of leaflets; leaflets opposite, usually adjacent, subsessile, adaxially green, oblong to obovate-oblong, 1–2.5 × 0.8–1.5 cm, abaxially densely canescent tomentose or villous, white tomentose and villous on veins, adaxially white pilose, base cuneate or broadly so, margin pectinatifid, apex obtuse; segments oblong, apex obtuse or acute; cauline leaves undeveloped; stipules margin entire, rarely 2-fid. Inflorescence terminal, cymose, 3–7-flowered. Flowers 1.5–2 cm in diam. Sepals triangular-ovate, apex acuminate; epicalyx segments narrowly oblong, shorter than sepals, abaxially tomentose and sericeous, apex subobtuse. Petals obcordate, usually 1–2 × as long as sepals, apex emarginate. Style terminal, base slightly thickened; stigma dilated. Achenes not seen. Fl. Aug.

Alpine meadows, ravines near snow line; 3000--3600 m. Xinjiang [Russia; SW Asia (Iran)].


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