Difference between revisions of "Clematis vitalba"

Linnaeus

Sp. Pl. 1: 544. 1753.

Common names: Traveler's joy old man's beard
Introduced
Treatment appears in FNA Volume 3.
imported>Volume Importer
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V3/V3_540.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_540.xml
 
|genus=Clematis
 
|genus=Clematis
 
|subgenus=Clematis subg. Clematis
 
|subgenus=Clematis subg. Clematis

Latest revision as of 21:49, 5 November 2020

Stems 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 and terminal, (3-)5-22-flowered cymes. Flowers 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 nearly terete, not conspicuously rimmed, densely pubescent; beak ca. 3.5 cm.


Phenology: Flowering summer (Jun–Aug).
Habitat: Roadsides, waste ground, secondary growth
Elevation: 0-100 m

Distribution

V3 540-distribution-map.gif

Introduced; B.C., Ont., Maine, Oreg., Wash., native to Europe, n Africa.

Discussion

Clematis vitalba is naturalized in only a few sites in eastern North America and northwestern Oregon to the Puget Sound.

Selected References

None.

Lower Taxa

None.