Thalictrum sparsiflorum |
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few-flower meadow-rue, mountain meadow-rue |
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Stems | erect, leafy, slender, (20-)30-100(-120) cm, glabrous. |
Leaves | 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. |
Thalictrum sparsiflorum |
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Phenology | Flowering late spring–summer (Jun–Aug). |
Habitat | Meadows, damp thickets, bogs, and coniferous, deciduous, and riparian woods |
Elevation | 0-3000 m (0-9800 ft) |
Distribution |
AK; CA; CO; ID; MT; NV; OR; UT; WY; AB; BC; MB; NT; ON; SK; YT; ne Asia
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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). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. |
Parent taxa | Ranunculaceae > Thalictrum > sect. Omalophysa |
Sibling taxa | |
Synonyms | T. sparsiflorum subsp. richardsonii, T. sparsiflorum var. nevadense, T. sparsiflorum var. richardsonii, T. sparsiflorum var. saximontanum |
Name authority | Turczaninow ex Fischer & C. A. Meyer: Index Sem. Hort. Petrop. 1: 40. (1835) |
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