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

17. Thalictrum finetii B. Boivin, J. Arnold Arbor. 26: 113. 1945.

滇川唐松草 dian chuan tang song cao

Plants 0.5--2 m tall, glabrous. Stems branched. Basal and proximal cauline leaves withered at anthesis. Distal cauline leaf stipules narrow, margin irregular lobed; petiole ca. 2 cm; leaf blade 3- or 4-ternate or -pinnate, ca. 18 cm; leaflet blade rhombic-obovate, broadly ovate, or orbicular, 0.9--2 × 0.7--2 cm, herbaceous, base broadly cuneate or rounded, apex shortly acute, 3-lobed; lobes entire or a few toothed; veins abaxially raised or flat, pubescent. Inflorescence paniculate, few flowered. Pedicel slender, 0.4--1.8 mm. Sepals 4 or 5, deciduous, white or green, tinged yellowish, elliptic-ovate. Stamens ca. 6 mm; filament filiform; anther narrowly oblong, 1.5--2 mm, apex mucronate. Carpels 7--14; style ca. 1.2 mm. Achenes glabrous; stipe ca. 0.4 mm; body hemispheric or hemiobovoid, ca. 4 × 1.5 mm; vein 1. Fl. Jul--Aug.

* Forests, forest margins, grassy slopes; 2200--4000 m. W Sichuan, SE Xizang (Medôg Xian), NW Yunnan.

This species is similar to Thalictrum cultratum, but differs in having stigmas wingless, and achenes compressed, pubescent, and narrowly winged.


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