丝裂碱毛茛 si lie jian mao gen

Stolons absent. Basal leaves 5--10, glabrous; petiole 0.7--1.4 cm, vaginate at base; leaf blade ovate, 2--9 × 3--10 mm, base broadly cuneate or subtruncate, 3-sect; central segment narrowly linear, entire, rarely 1- or 2-lobulate; lateral segments usually unequally 2-sect, with linear ultimate lobules, rarely undivided. Scapes 6--11 mm, glabrous, naked. Flowers 1, ca. 8 mm in diam. Receptacle glabrous. Sepals 5, broadly oblong, ca. 3 mm, glabrous. Petals 5, oblong or narrowly elliptic, 3.8--4.2 × ca. 1.2 mm, apex rounded-obtuse. Stamens ca. 10; anthers broadly ellipsoid, ca. 0.6 mm. Aggregate fruit globose, 3.5--4 mm in diam.; achenes elliptic or narrowly obovate, 1.2--2 × 0.8--1 mm, glabrous. Persistent style 0.6--0.8 mm, uncinate at apex or nearly straight. Fl. and fr. Aug.

* Grassy places by saline lakes; ca. 4800 m. W Xizang (Gê’gyai).