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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Ranunculus

69. Ranunculus dongrergensis Handel-Mazzetti, Acta Horti Gothob. 13: 157. 1939.

圆裂毛茛 yuan lie mao gen

Herbs perennial. Roots fibrous, slightly thickened at base. Stems 4--25 cm, glabrous or puberulent, simple or branched. Basal leaves several; petiole 2--11 cm, glabrous or puberulent; blade 3-lobed or 3-cleft, oblate, orbicular-ovate, or obovate, 0.7--2 × 0.7--2 cm, glabrous or adaxially strigose, base rounded, subtruncate, or broadly cuneate, lobes ovate, broadly ovate, or oblong, entire or lateral lobes 1-dentate or unequally 2-lobed, apex obtuse. Lower stem leaves similar to basal ones; upper stem leaves short petiolate or sessile, 3-lobed to 3-sect. Flowers solitary, terminal, 1--1.8 cm in diam. Receptacle glabrous or puberulent. Sepals 5, elliptic, 4--6 mm, glabrous or abaxially puberulent. Petals 5, obovate, 4--9 × 2.2--7 mm, nectary pit without a scale, apex rounded or emarginate. Stamens numerous, oblong. Aggregate fruit narrowly ovoid, 5.5--7 × 2.5--4 mm; carpels numerous. Achene narrowly obovoid, ca. 1.5 mm, glabrous; style persistent, 0.3--0.7 mm. Fl. May--Aug.

* 3200--5600 m. NW Sichuan (Sungpan Xian), S Xizang, NW Yunnan (Dêqên Xian).

1 Basal leaves 3-lobed not to middle; receptacle glabrous   69a var. dongrergensis
+ Basal leaves 3-cleft beyond middle; receptacle puberulent   69b var. altifidus


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