块茎银莲花 kuai jing yin lian hua

Rhizome erect, tuberous, triangular-ovoid or irregular, short, 5--10 mm in diam. Leaves 2--4; petiole 5--10 cm, glabrous; leaf blade 3-sect, orbicular-pentagonal or reniform, 1--2 × 1--3 cm, base deeply cordate; segments subsessile; central segment 3-parted, flabellate-obovate, margin lobulate or rounded dentate; lateral segments unequally 2-lobed, obliquely flabellate. Scape 3--8 cm, glabrous; cyme 1-flowered. Involucral bracts 3, sessile; bract blade palmately parted, broadly rhombic, 1--2 cm, abaxially sparsely puberulent, margin dissected lobed. Pedicel 3--7 cm, puberulent. Sepals 5, yellow, elliptic, 10--12 × 4--7 mm, abaxially sparsely puberulent, basal veins 3--5, vein anastomoses 1--3. Stamens 3--4 mm; filament linear, base dilated; anther ellipsoid, ca. 1 mm, apex rounded. Pistils ca. 35; ovary densely pubescent; style filiform. Achene shortly stipitate; body ovoid, slightly compressed, 2.5--3 × 1.2--1.4 mm, lanate, hairs 3--4 mm; style almost straight, 2--2.5 mm. Fl. Apr--May.

Grassy slopes; 1400--3100 m. W Xinjiang [Kazakhstan].