Thalictrum ramosum B. Boivin

This species is similar to Thalictrum fortunei, but differs in having small sepals and many narrowly ovoid achenes; it is also similar to T. javanicum, which differs in being taller and having inflorescences much branched and many flowered, sepals long, and filaments broader than anthers.

Thalictrum ramosum is used medicinally.

Plants 12--45 cm tall, glabrous. Rootlets never enlarged. Stems branched, sulcate. Leaves both basal and cauline; petiole 7--9 cm; leaf blade 2- or 3-ternate, 7--15 cm; leaflet blade broadly ovate, broadly obovate, or orbicular, 0.7--2 × 0.5--1.5 cm, herbaceous, base rounded or subcordate, apex obtuse, inconspicuously 3-lobed; lobes acute at apex; veins raised abaxially, flat adaxially. Inflorescence monochasial. Pedicel filiform, 5--10 mm. Sepals 4, early deciduous, white, tinged purplish, ovate, ca. 2 mm. Filament base filiform, 4--6 × as long as anther, apex narrowly oblanceolate; anther tinged yellow, ca. 0.7 mm. Carpels (6--)8--16; style recurved, slender, ca. 2 mm, slightly longer than ovary. Achenes sessile; body narrowly ovoid or lanceolate, 3.5--4.5 mm; veins ca. 8. Fl. Apr, fr. May--Jun.

Guangxi, Hunan, Sichuan.

* Scrub, hills; 500--1000 m.