• Scientific Name: Thalictrum aquilegiifolium var. sibiricum Regel & Tiling
• Ref: Fl. Ajan.:23. 1858
• Synonyms: Thalictrum anomalum H.Lév. & Vaniot, T. aquilegiifolium var. daisenense (Nakai) Emura, T. contortum L., T. daisenense Nakai, T. dunnianum H.Lév., T. mitsinokuense Koidz., T. nipponense Huth, T. rubellum Siebold & Zucc.
• English Common Name: Siberian columbine meadow-rue
• Chinese Common Name: 唐松草 tángsōngcǎo, 羽果/翅果/翼果唐松草 yǔguǒ/chìguǒ/yìguǒ tángsōngcǎo
• Japanese Common Name: マンセンカラマツ [満鮮唐松] mansenkaramatsu
• Family: Ranunculaceae
• Genus: Thalictrum
• Distribution: Forests, forest margins, grassy slopes, meadows; 500–1800 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shandong, Shanxi, Zhejiang [Japan, Korea, Mongolia, Russia (Siberia)].
• Photo: 07/14/2008, Mt. Changbai, Jilin
• Note: spelt as Thalictrum aquilegifolium var. sibiricum in FRPS vol.27

Plants 0.6--1.5 m tall, glabrous. Stems branched, robust, ca. 1 cm in diam. Basal leaves withered at anthesis. Stipules membranous; petiole 4.5--8 cm; leaf blade 3- or 4-ternate, 10--30 cm; leaflet blade obovate or broadly orbicular, 1.5--2.5 × 1.2--3 cm, herbaceous, base rounded-cuneate or subcordate, apex rounded to almost obtuse; lobes 3, entire or 1- or 2-toothed; veins flat on both surfaces or slightly raised abaxially. Inflorescence umbel-like, many flowered. Pedicel 4--17 mm. Sepals early deciduous, white or abaxially purplish tinged, elliptic, 3--3.5 mm. Stamens many, 6--9 mm; filament base filiform, apex oblanceolate, slightly narrower or broader than anther; anther ca. 1.2 mm, apex obtuse. Carpels 6--8; style persistent, 0.3--0.5 mm. Achene stipe 3--5 mm; body obovoid, 4--7 mm, broadly winged. Fl. Jul. (Flora of China)