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22. Potentilla peduncularis D. Don, Prodr. Fl. Nepal. 230. 1825.
总梗委陵菜 zong geng wei ling cai
Herbs perennial, rhizomatous. Rhizomes prostrate, robust, terete. Flowering stems 10–35 cm tall, together with petioles appressed villous or sericeous. Radical leaves 2.5–25 cm including petiole; auricles of stipules membranous, connate from base to rounded apex; leaf blade non-interrupted pinnate with 10–21 pairs of leaflets; terminal leaflet narrowly or broadly ovate, narrowly obovate, ovate-lanceolate, oblong-lanceolate, or oblong, 0.5–3 × 0.3–1.5 cm, both surfaces densely silvery sericeous or adaxially only sparsely so, base decurrent on apical 2 or 3 pairs of leaflets, margin sharply or bluntly serrate or apex dentate; cauline leaves small; auricles of stipules herbaceous, margin incised parted or incised serrate; leaf blade with 1 or 2 pairs of leaflets. Inflorescence corymbose-cymose. Flowers 1–3.5 cm in diam.; pedicel 1–3.5 cm. Sepals triangular-ovate; 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.
Forests, alpine meadows, gravelly slopes; 3000--4800 m. Sichuan, Xizang, Yunnan [Bhutan, NW India, Nepal, Sikkim].
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| 1 |
Leaflet margin more than 10-serrate. |
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(2) |
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Leaflet margin 4–9-serrate or apex dentate. |
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(3) |
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| 2 (1) |
Leaflets narrowly ovate, abaxially densely hairy, adaxially sparsely hairy. |
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22a var. peduncularis |
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Leaflets broadly ovate, both surfaces densely hairy. |
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22b var. shweliensis |
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| 3 (1) |
Leaflets narrowly ovate, 1.5–3 cm, margin bluntly 5–9-serrate or apex dentate. |
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22c var. vittata |
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Leaflets narrowly obovate, 0.5–2 cm, margin 4(or 5)-serrate or apex dentate. |
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22d var. curta |
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Lower Taxa
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