Botanical Survey of India | Flora of India

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Thalictrum foliolosum DC., Syst. Nat. 1: 175. 1818; Hook. f. & Thomson in Fl. Brit. India 1: 14. 1872.

Hindi: Mamiraq, Pilzari.

Herbs, robust, bushy, up to 3 m tall; stems branched, often presenting a rambling habit. Leaves pinnately decompound; petioles sheathing and auricled at base; stipules present; leaflets broadly ovate, acute or obtuse, bluntly toothed or lobed at apex, 1.5 - 4 x 1 - 3 cm; lobes oblong-ovate, 3-lobed into orbicular lobes. Flowers polygamous, in large panicles. Sepals obovate, ca 4 x 2 mm, white outside, greenish or purplish inside, caducous. Stamens many, much longer than sepals; filaments filiform; anthers 2 - 3 mm long, acute or mucronate. Achenes few, usually 2 - 5, sessile, oblong, ellipsoid, acute at both ends, ca 3 mm long, strongly prominently ribbed, glabrous; style deciduous.

Fl. & Fr. June - Oct.

Distrib. India: Himalayas, N E. India, Gangetic plains, E. Ghats and Deccan plateau. Himachal Pradesh, Uttar Pradesh, Bihar, West Bengal, Sikkim, Nagaland, Manipur, Meghalaya, Orissa, Madhya Pradesh, Andhra Pradesh and Tamil Nadu.

Nepal, China (Tibet) and Myanmar.

Notes. An extract from the root is used medicinally (Caius in J. Bombay Nat. Hist. Soc. 39: 729. 1937).

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