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

78. Potentilla subdigitata T. T. Yu & C. L. Li, Acta Phytotax. Sin. 18: 12. 1980.

混叶委陵菜 hun ye wei ling cai

Herbs perennial. Roots robust, terete, usually woody. Flowering stems erect or ascending, together with petioles pubescent, sparsely villous, and sessile glandular. Radical leaves 4–12 cm including petiole; stipules brown, membranous, abaxially densely sessile glandular, pubescent, and pilose; leaf blade 3-foliolate or pedately (rarely subpinnately) 5-foliolate; central 3 leaflets shortly petiolulate, the lateral two (if present) sessile, all leaflets obovate-cuneate or obovate, both surfaces densely spreading pubescent and sessile glandular, abaxially more densely so on veins, base cuneate, margin markedly revolute, obtusely serrate proximally, apex truncate or obtuse; cauline leaves: stipules ovate-elliptic, herbaceous, margin entire, apex obtuse or 2- or 3-serrate; petiole gradually shorter higher up stem; leaf blade 3- or 5-foliolate; leaflets resembling those of radical leaves. Inflorescence corymbose-cymose, laxly few flowered. Flowers 1.2–1.5 cm in diam.; pedicel slender, 2–2.5 cm, densely pubescent and sessile glandular. Sepals triangular-lanceolate, apex acuminate; epicalyx segments lanceolate or elliptic-lanceolate, slightly shorter than sepals, apex acute. Petals yellow, obovate, ca. 1/2 as long as sepals, apex rounded. Style markedly thickened at base; stigma dilated. Achenes slightly rugose. Fl. and fr. Jul–Aug.

Sunny slopes at Pinus forest margins, dry gravelly slopes; 2000--2500 m. Xinjiang.


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