Ranunculus yinshanicus (Y. Z. Zhao) Y. Z. Zhao

Herbs perennial. Roots fibrous, subequally thick. Stems 5--15 cm, appressed yellowish puberulent above, glabrous below, branched. Basal leaves ca. 5; petiole 1--2.2 cm, glabrous; blade 3-cleft slightly beyond middle, broadly ovate, 0.5--1.5 × 0.5--1.5 cm, papery, glabrous, base cordate, central lobe cuneate-obovate, indistinctly 3-lobed; lateral lobes obliquely flabellate, unequally 2-lobed. Stem leaves short petiolate or sessile, 3--5-sect; segments narrowly linear, 1--2 cm × 0.5--1.2 mm. Flowers terminal, 1 or 2 in a monochasium, ca. 1 cm in diam. Receptacle puberulent. Sepals 5, broadly ovate, ca. 3 mm, abaxially appressed yellowish puberulent. Petals 5, obovate, ca. 5 × 2.5 mm, nectary pit without a scale, apex rounded. Stamens ca. 15; anthers oblong. Aggregate fruit subglobose, ca. 5 mm in diam. Achene slightly bilaterally compressed, obovoid, ca. 1.5 × 1 mm, glabrous; style persistent, 0.5 mm. Fl. May--Jun.

* Forests, slopes. S Nei Mongol (Daqing Shan).

Ranunculus pulchellus C. A. Meyer var. yinshanicus Y. Z. Zhao, Fl. Intramongolica 2: 255, 369. 1978.