Clematis hirsutissima |
Clematis hirsutissima var. scottii |
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Douglas' clematis, hairy clematis, leatherflower, sugar bowls, vaseflower |
Scott's 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. |
simple or branched, erect or ± sprawling. |
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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. |
blade: primary leaflets 7-13; leaflets and larger lobes narrowly to broadly lanceolate or ovate, 1-6 cm × 5-15 mm, surfaces nearly glabrous to sparsely hirsute. |
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Inflorescences | terminal, flowers solitary. |
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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. |
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Achenes | bodies densely long-pubescent; beak 4-9 cm, plumose. |
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Clematis hirsutissima |
Clematis hirsutissima var. scottii |
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Phenology | Flowering spring–summer. | |||||
Habitat | Dry to moist mountain meadows, thickets, and rocky slopes | |||||
Elevation | 1500-3200 m (4900-10500 ft) | |||||
Distribution |
AZ; CO; ID; MT; NE; NM; OK; OR; SD; UT; WA; WY
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CO; NE; NM; OK; SD; WY |
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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.) |
The leaflets of Clematis hirsutissima var. scottii are usually more widely spaced than those of C. hirsutissima var. hirsutissima. (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. Viorna > Clematis hirsutissima | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Coriflora hirsutissima | C. scottii, Viorna scottii | ||||
Name authority | Pursh: Fl. Amer. Sept. 2: 385. (1814) | (Porter) R. O. Erickson: Ann. Missouri Bot. Gard. 30: 47. (1943) | ||||
Web links |