Campsis radicans

Campsis radicans

Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Magnoliopsida
Ordo: Lamiales
Familia: Bignoniaceae
Tribus: Tecomeae
Genus: Campsis
Species: Campsis radicans

Name

Campsis radicans (L.) Seem. ex Bureau

Vernacular names
Internationalization
Česky: křivouš kořenující
Ελληνικά, Κυπριακά: Καμψίς, Βιγνόνια
English: Trumpet creeper
Svenska: Trumpetranka
Türkçe: Boru sarmaşığı, Acem sarmaşığı

References

* Journal of Botany, British and Foreign. London 5:372. 1867
* USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Data from 07-Oct-06]. [1]

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The Trumpet vine or Trumpet creeper (Campsis radicans), also known as "Cow itch vine" and (in horticulture) as "hummingbird vine", is a large and vigorous woody vine of the family Bignoniaceae, notable for its showy trumpet-shaped flowers. It is native to woodlands of the southeastern United States, but is a popular garden perennial plant across much of the US and southern Canada, as some cultivars are hardy to as low as -30°F/-34°C.

The leaves are opposite, ovate, pinnate, 3–10 cm long, and emerald green when new, maturing into a dark green. The flowers come in terminal cymes of 4–12, orange to red in color with a yellowish throat, and generally appear after several months of warm weather. The plant as a whole may grow to 10 meters in height.

The flowers are very attractive to hummingbirds, and many types of birds like to nest in the dense foliage. The flowers are followed by large seed pods. As these mature, they dry and split. Hundreds of thin, brown, paper-like seeds are released. These are easily grown when stratified.

The vigor of the trumpet vine should not be underestimated. In warm weather, it puts out huge numbers of tendrils that grab onto every available surface, and eventually expand into heavy woody stems several centimeters in diameter. It grows well on arbors, fences, telephone poles, and trees, although it may dismember them in the process. Ruthless pruning is recommended. Outside of its native range this species has the potential to be highly invasive, even as far north as New England. The trumpet vine thrives in many places in southern Canada as well.

Alternate scientific names have included Tournefort's Bignonia radicans (1700) and Tecoma radicans.

Garden history

The flamboyant flowering of Campsis radicans made it inescapable to even the least botanically-minded of the first English colonists in Virginia; consequently the plant quickly made its way to England, early in the 17th century, though its botanical parentage, as a hardy member of a mostly subtropical group, made its naming problematic: according to John Parkinson, the Virginia settlers were at first calling it a jasmine or a honeysuckle, and then a bellflower; he classed it an Apocynum or dogbane. Joseph Pitton de Tournefort erected a catch-all genus Bignonia in 1700, from which it has since been extricated[1].

Away from summer heat, Capsis radicans is less profuse of flower. A larger-flowered hybrid "Mme Galen" was introduced about 1889 by the Tagliabue nurserymen of Laniate near Milan.[2]

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