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

18. Thalictrum flavum Linnaeus, Sp. Pl. 1: 546. 1753.

黄唐松草 huang tang song cao

Thalictrum altissimum Thomas ex De Massas (1838), not Wenderoth (1826); T. angustatum Weinmann ex Lecoyer; T. anonymum Wallroth ex Lecoyer; T. belgicum Jordan; T. capitatum Jordan.

Plants ca. 1.5 m tall, glabrous. Cauline leaves petiolate; leaf blade of proximal ones 3-pinnate, ca. 30 cm; leaflet blade cuneate-obovate or narrowly obovate, 4--7 × 2.5--5.5 cm, base rounded or obtuse, apex 3-toothed or 3-lobed. Distal cauline leaf blade 9--15 cm; leaflets cuneate or cuneate-obovate, ca. 4 × 1.8 cm, base cuneate or obtuse, apex 3-toothed or 3-lobed. Inflorescence paniculate, ca. 25 cm, many flowered. Bracts narrowly linear or subulate, ca. 2.5 mm. Pedicel slender, 5--10 mm. Sepals 4, deciduous, narrowly ovate, ca. 4 mm. Stamens ca. 8 mm; filament filiform; anther linear, ca. 2.5 mm, apex inconspicuously mucronate. Carpels ca. 10; stigma triangular winged. Achenes slightly compressed. Fl. Jul.

Grasslands, streamsides; ca. 500 m. Xinjiang [N and W Asia, Europe].


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