Clematis lasiantha |
Clematis vitalba |
|
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chaparral clematis, pipestem, pipestem clematis |
evergreen clematis, old-man's beard, Traveler's-joy, Traveler's-joy clematis, white virgin's-bower |
|
Stems | 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. |
climbing with tendril-like petioles and leaf-rachises, to 12 m. Leaf blade pinnately 5-foliolate; leaflets cordiform, 8 × (2-)3-5(-6) cm, margins entire to regularly crenate or dentate; surfaces abaxially minutely pubescent on veins, adaxially glabrous. |
Inflorescences | axillary, flowers solitary, rarely 3-flowered cymes. |
axillary and terminal, (3-)5-22-flowered cymes. |
Flowers | 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. |
bisexual; pedicel 1-1.5 cm, slender; sepals wide-spreading, not recurved, white to cream, elliptic or oblanceolate to obovate, ca. 1 cm, length ca. 2 times width, abaxially and adaxially tomentose; stamens ca. 50; filaments glabrous; staminodes absent; pistils 20 or more. |
Achenes | asymmetric-ovate, not broadly orbiculate, 3-4 × 1.5-2 mm, not conspicuously rimmed, glabrous; beak 3.5-5.5 cm. |
nearly terete, not conspicuously rimmed, densely pubescent; beak ca. 3.5 cm. |
2n | = 16. |
|
Clematis lasiantha |
Clematis vitalba |
|
Phenology | Flowering winter–spring (Jan–Jun). | Flowering summer (Jun–Aug). |
Habitat | Chaparral, open woodlands | Roadsides, waste ground, secondary growth |
Elevation | 0-2000 m (0-6600 ft) | 0-100 m (0-300 ft) |
Distribution |
CA; Mexico (Baja California)
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ME; OR; WA; BC; ON; native to Europe; n Africa [Introduced in North America]
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Discussion | 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.) |
Clematis vitalba is naturalized in only a few sites in eastern North America and northwestern Oregon to the Puget Sound. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Clematis > subg. Clematis | Ranunculaceae > Clematis > subg. Clematis |
Sibling taxa | ||
Name authority | Nuttall: in J. Torrey and A. Gray, Fl. N. Amer. 1: 9. (1838) | Linnaeus: Sp. Pl. 1: 544. (1753) |
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