Clematis hirsutissima |
Clematis lasiantha |
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Douglas' clematis, hairy clematis, leatherflower, sugar bowls, vaseflower |
chaparral clematis, pipestem, pipestem clematis |
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Stems | erect, not viny, 1.5-6.5 dm, hirsute (sometimes sparsely so in var. hirsutissima) or densely short, soft-pubescent to nearly glabrous. |
scrambling to climbing, 3-4 m. Leaf blade 3-foliolate; leaflets ovate, largest leaflets usually 3-lobed, 1.5-6 × 1.5-5 cm; terminal leaflet occasionally 3-cleft, margins usually toothed; surfaces glabrous or sparsely silky. |
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Leaf | blade 2-3-pinnate; leaflets often deeply 2-several-lobed, if lobed than lateral lobes usually small and distinctly narrower than central portion, leaflets or lobes linear to lanceolate, 1-6 × 0.05-1.5 cm, thin, not prominently reticulate; surfaces sparsely to densely silky-hirsute, not glaucous. |
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Inflorescences | terminal, flowers solitary. |
axillary, flowers solitary, rarely 3-flowered cymes. |
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Flowers | broadly cylindric to urn-shaped; sepals very dark violet-blue or rarely pink or white, oblong-lanceolate, 2.5-4.5 cm, margins narrowly expanded distally, 0.5-2 mm wide, thin, distally ± crisped, tomentose, tips obtuse to acute, slightly spreading, abaxially usually densely hirsute, occasionally moderately so. |
unisexual; pedicel (including peduncle) stout, 3.5-11 cm; sepals wide-spreading, not recurved, white to cream, ovate or elliptic to obovate or oblanceolate, 10-21 mm, abaxially and adaxially pilose; stamens 50-100; filaments glabrous; staminodes absent or 50-100; pistils 75-100. |
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Achenes | bodies densely long-pubescent; beak 4-9 cm, plumose. |
asymmetric-ovate, not broadly orbiculate, 3-4 × 1.5-2 mm, not conspicuously rimmed, glabrous; beak 3.5-5.5 cm. |
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2n | = 16. |
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Clematis hirsutissima |
Clematis lasiantha |
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Phenology | Flowering winter–spring (Jan–Jun). | |||||
Habitat | Chaparral, open woodlands | |||||
Elevation | 0-2000 m (0-6600 ft) | |||||
Distribution |
AZ; CO; ID; MT; NE; NM; OK; OR; SD; UT; WA; WY
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CA; Mexico (Baja California)
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Discussion | Varieties 2 (2 in the flora). The varieties of Clematis hirsutissima, although highly dissimilar in their extreme forms, intergrade extensively in Wyoming, Colorado, and Utah. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Clematis lasiantha is common in the Coast Ranges and the foothills of the Sierra Nevada of California. The Shasta used pounded stems or chewed or burned roots of Clematis lasiantha medicinally in the treatment of colds (D. E. Moerman 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||
Parent taxa | Ranunculaceae > Clematis > subg. Viorna | Ranunculaceae > Clematis > subg. Clematis | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Coriflora hirsutissima | |||||
Name authority | Pursh: Fl. Amer. Sept. 2: 385. (1814) | Nuttall: in J. Torrey and A. Gray, Fl. N. Amer. 1: 9. (1838) | ||||
Web links |