Thalictrum scaposum W. E. Evans.

Plants 20--40 cm tall, glabrous. Stems branched. Basal leaf 1; petiole 8--15 cm; leaf blade 2- or 3-ternate, 10--15 cm; petiolule long; leaflet blade cuneate-obovate, rhombic, or ovate, 2--6.5(--9.5) × 1.5--4(--5) cm, herbaceous, apex entire, toothed, or 3-lobed; veins flat on both surfaces. Inflorescence umbel-like. Bracts spatulate, ca. 1.5 mm. Pedicel filiform, ca. 15 mm. Sepals early deciduous, white, narrowly elliptic, ca. 1.5 mm. Stamens 3.5--6.5 mm; filament base filiform, apex oblanceolate, broader than anther; anther ca. 1 mm, apex mucronate. Carpels 6--15. Achene stipe slender, ca. 1.2 mm; body narrowly ovoid, ca. 1.6 mm; veins ca. 6. Fl. Apr--Jul.

Forests, slopes, damp rocky ledges; 700--2800 m. Hubei, Hunan, Shanxi, Sichuan, Yunnan [N Myanmar].