多叶唐松草 duo ye tang song cao

Thalictrum dalingo Buchanan-Hamilton ex de Candolle.

Plants 0.9--1.2 m tall, glabrous. Stems branched. Petiole 1.5--5 cm; leaf blade 3-ternate, ca. 35 cm; leaflet blade rhombic-elliptic or ovate, 1--2.5 × 0.5--1.5 cm, leathery, abaxially not white powdery, base rounded or subcordate, apex obtuse or rounded, 3-lobed; lobes few; veins slightly raised abaxially, flat adaxially. Inflorescence terminal or axillary, paniculate, ca. 20 cm, many flowered. Sepals 4, early deciduous, yellow, greenish tinged, narrowly elliptic, 3--4.5 mm. Stamens many, 6--7 mm; filament filiform; anther narrowly oblong, ca. 2.5 mm, apex mucronate. Carpels 4--6; style equaling ovary; stigma linear. Achenes sessile; body fusiform, ca. 3 mm; veins ca. 8. Fl. Aug--Sep.

Montane forests, slopes; 1500--3200 m. Sichuan, Xizang, Yunnan [India, Myanmar, Nepal, Sikkim, Thailand].

This species is similar to Thalictrum trichopus, but differs in having pedicels short, anthers mucronate at the apex, and stigmas long.