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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Thalictrum

9. Thalictrum cirrhosum H. Léveillé, Repert. Spec. Nov. Regni Veg. 7: 97. 1909.

星毛唐松草 xing mao tang song cao

Plants 28--55 cm tall, glandular pubescent. Stems branched. Basal leaves withered at anthesis. Cauline leaves shortly petiolate; petiole 0.5--1 cm; leaf blade 3-pinnate, ca. 10 cm; petiolule 1--9 mm; leaflet blade orbicular-rhombic, broadly rhombic, or rhomboid, 1--1.3 × 0.8--1.5 cm, papery, abaxially densely branched stellate hairy, base rounded or subcordate, apex entire or 3-lobed. Inflorescence paniculate, several flowered. Pedicel 5--10 mm. Sepals 4, early deciduous, yellowish tinged, narrowly elliptic, ca. 4 mm. Stamens many; filament filiform; anther ca. 2 mm, apex mucronate. Carpels 3--5; style subulate. Achenes sessile; body obliquely ellipsoid-obovoid, ca. 3 mm; veins ca. 8. Fl. Jun.

* Scrub, slopes, damp rocky ledges; 2200--2400 m. C Yunnan.

This species is similar to Thalictrum cultratum, but differs in having leaflets abaxially gray branched hairy, stigmas wingless, and achenes slightly compressed.


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