Clematis hirsutissima |
Clematis catesbyana |
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Douglas' clematis, hairy clematis, leatherflower, sugar bowls, vaseflower |
satincurls, virgin's-bower |
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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. |
climbing, 3-6 m. Leaf blade pinnate or 2-ternate, 5-9-foliolate, membranous; leaflets ovate to lanceolate, largest 4-9 × 2.5-9 cm, surfaces abaxially sparsely to densely pilose, adaxially glabrate; proximal and lateral leaflets typically 3-cleft, unlobed or few-lobed, margins coarsely toothed or entire, surfaces sparsely pubescent or nearly glabrous; ultimate venation conspicuous. |
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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, 3-many-flowered simple to compound panicles with central axis. |
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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 slender, 11-13 mm, to 2 cm in fruit; sepals wide-spreading, not recurved, white to cream, oblong or obovate to oblanceolate, 6-14 × 2-5 mm, abaxially densely white-hairy, adaxially sparsely white-hairy; stamens ca. 30-50; staminodes absent or fewer than stamens; pistils 18-35. |
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Achenes | bodies densely long-pubescent; beak 4-9 cm, plumose. |
ovate, ca. 3.5 × 1.5 mm, conspicuously rimmed, sparsely short hairy; beak 2.5-3.5 cm. |
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Clematis hirsutissima |
Clematis catesbyana |
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Phenology | Flowering spring–summer (May–Jul). | |||||
Habitat | Disturbed or open, well-drained sites, frequently on limestone outcrops, coastal sands | |||||
Elevation | 0-1200 m (0-3900 ft) | |||||
Distribution |
AZ; CO; ID; MT; NE; NM; OK; OR; SD; UT; WA; WY
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AL; AR; FL; GA; KS; KY; LA; MO; MS; NC; OK; SC; TN; VA; WV |
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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.) |
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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 | C. cordata, C. micrantha | ||||
Name authority | Pursh: Fl. Amer. Sept. 2: 385. (1814) | Pursh: Fl. Amer. Sept. 2: 736. (1814) | ||||
Web links |