Thalictrum viscosum W. T. Wang & S. H. Wang

This species is similar to Thalictrum glandulosissimum, but differs in having branches and leaf rachis pubescent, anthers obtuse at the apex, and stigmas wingless.

Plants ca. 60 cm tall, glandular pubescent. Stems branched, smooth. Cauline leaf petiole ca. 2 cm; leaf blade 3-pinnate, ca. 12 cm; petiolule 2.5--5.5 mm; leaflet blade broadly ovate or broadly rhombic-ovate, 0.6--1.1 × 0.6--1.1 cm, leathery, abaxially glabrous and glandular, adaxiallly pubescent, base cordate, apex rounded or truncate, 3-lobed; lobes entire or 2- or 3-crenate. Inflorescence monochasial, 1.5--9 cm, 3- or 4-flowered, glandular pubescent. Pedicel 0.3--1.4 mm. Sepals 4, white or purplish tinged, elliptic, ca. 3 × 1.5 mm, abaxially pubescent. Stamens ca. 15, ca. 4 mm, glabrous; filament narrowly linear; anther ca. 1 mm, apex obtuse. Carpels 1--3; style subulate, ca. 1.2 mm; stigma narrowly linear. Achene body narrowly ovoid or narrowly ellipsoid, ca. 3 × 1.2 mm, densely glandular hairy. Fl. Aug.

NW Yunnan (Jinsha Jiang valley N of Lijiang).

* Grassy places in valleys, riversides; ca. 1800 m.