Difference between revisions of "Thalictrum sparsiflorum"
Index Sem. Hort. Petrop. 1: 40. 1835.
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Revision as of 22:12, 16 December 2019
Stems erect, leafy, slender, (20-)30-100(-120) cm, glabrous. Leaves mostly cauline, proximal leaves petiolate, distalmost sessile. Leaf blade (2-)3-ternate; leaflets obovate to orbiculate or cordate, usually 3-cleft and divisions 3-lobed, thin, 10-20 mm, surfaces abaxially often glandular-puberulent. Inflorescences axillary, 1-few flowers, diffuse, leafy; bracts leaflike, large. Flowers: pedicels abruptly recurved in fruit; sepals whitish or greenish, often purplish tinged, elliptic, 2-3.5(-4) mm; stamens 12-20, whitish; filaments 3-4.5 mm; anthers 0.5-0.8 mm. Achenes (4-)6-12; stipe 0.3-1.5 mm; body obliquely obovate to half-rhombic, strongly compressed, (4-)5-6 × 3-4 mm, abaxial margin straight, glabrous or glandular-puberulent, faintly 3-4(-5)-veined; beak 1-1.5 mm.
Phenology: Flowering late spring–summer (Jun–Aug).
Habitat: Meadows, damp thickets, bogs, and coniferous, deciduous, and riparian woods
Elevation: 0-3000 m
Distribution
![V3 277-distribution-map.gif](/w/images/c/cc/V3_277-distribution-map.gif)
Alta., B.C., Man., N.W.T., Ont., Sask., Yukon, Alaska, Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wyo., ne Asia.
Discussion
The Cheyenne the flowers and ground plants of Thalictrum sparsiflorum medicinally to make their horses "spirited, long-winded, and enduring" (D. E. Moerman 1986).
Selected References
None.