靖远毛茛 jing yuan mao gen

Herbs perennial. Roots fibrous, thickened at base. Stems ca. 30 cm, puberulent, branched. Basal leaves ca. 5; petiole 6--9.5 cm, sparsely puberulent; blade ternate, broadly rhombic in outline, 2--4.2 × 2--5 cm, papery, abaxially sparsely appressed puberulent, base broadly cuneate; central leaflet 3-partite nearly to base, lobes lanceolate-linear, 1--2 mm wide; lateral leaflets oblique rhombic, 1 or 2 × 2-partite, ultimate lobules lanceolate-linear, petiolules 1.5--12 mm. Stem leaves short petiolate or sessile, palmatisect, segments linear. Inflorescence of 1 terminal and 2 or 3 axillary simple monochasia; bracts sessile, 1--2.4 cm, 3-sect. Flowers 1.1--1.2 cm in diam. Pedicel 0.5--3.8 cm, puberulent. Receptacle glabrous. Sepals 5--7, broadly ovate or broadly elliptic, 4--5.5 mm, abaxially appressed pubescent. Petals 3 or 4, cuneate-obovate, 4--7 × 2--3.5 mm, nectary pit without a scale, apex subtruncate. Stamens numerous; anthers oblong. Carpels numerous; ovary ca. 2 × longer than style, 1.2--1.8 mm, glabrous. Fl. Jul.

* Mountain tops; ca. 2500 m. Gansu (Jingyuan Xian).