oriental virginsbower USDA PLANTS Symbol: CLOR
U.S. Nativity: Exotic
Habit: Vines
Clematis orientalis L.

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Taxonomic Rank: Magnoliopsida: Ranunculales: Ranunculaceae
Synonym(s): Chinese clematis
Native Range: Persia to Himalayas (REHD); Iran to Himalayas (BAIL);

Appearance
Clematis orientalis is a deciduous perennial woody vine. It can climb and grows from 7-26 ft. (2-8 m) long and has longitudinally fissured or ridged gray-brown bark. C. orientalis is native to eastern and southeastern Europe as well as temperate and tropical Asia.
Foliage
Leaves of C. orientalis arranged opposite on the stem. Leaves are divided with from three to seven leaflets. Leaflets are lanceolate to elliptic to ovate usually with two to three lobes.
Flowers
C. orientalis flowers have four yellow to greenish-yellow sepals each about one inch long. Flowers can be single or in clusters, on stems up to 4 inches long
Fruit
Fruits of C. orientalis consist of rounded clusters of fluffy winged seeds (achenes).
Ecological Threat
C. orientalis is generally seen invading riparian areas in shrublands and riparian forests in hot, dry valleys, desert and semidesert areas. It has spread rapidly since the mid 1970’s, becoming invasive and overgrowing young trees and other native plant species.

Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s); Oriental virgin's bower (Clematis orientalis) going to seed.
L.L. Berry, , Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Karan A. Rawlins, University of Georgia, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Karan A. Rawlins, University of Georgia, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.


Invasive Listing Sources:
Reichard, Sarah. 1994.  Assessing the potential of invasiveness in woody plants introduced in North America. University of Washington Ph.D. dissertation.