Siberian peashrub USDA PLANTS Symbol: CAAR18
U.S. Nativity: Exotic
Habit: Shrub or Subshrub Hardwood Trees
Caragana arborescens Lam.

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Taxonomic Rank: Magnoliopsida: Fabales: Fabaceae (Leguminosae)
Native Range: temp. Asia (REHD, ARS);

Appearance
Caragana arborescens a perennial deciduous shrub or small tree that can grow up to 10-15 ft. (3-5 m) tall.
Foliage
Leaves are alternate and 3-5 in. (7.6-12.7 cm) long. Each leaf is composed of 8 to 12 elliptic leaflets. Bark is smooth and green becoming duller as it ages.
Flowers
Flowers are yellow, tubular, and can be found in groups of up to four flowers. The blooming period occurs from May to June.
Fruit
Seed pods are slender, sharply pointed, smooth, and 1-2 in. (2.5-5 cm) long forming in late June. Color changes from green to tan in July and August.
Ecological Threat
Caragana arborescens invades woodland edge environments, and pastures. It is native to Siberia and Manchuria.

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


Plant(s);
Vanessa Richins Myers, About.com, Bugwood.org
Additional Resolutions & Image Usage

Plant(s); several plants on dry-forest site
Dave Powell, USDA Forest Service (retired), Bugwood.org
Additional Resolutions & Image Usage

Plant(s); Ornamental planting
Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); Siberian peashrub in flowering.
Bonsak Hammeraas, NIBIO - The Norwegian Institute of Bioeconomy Research, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); Siberian peashrub in flowering.
Bonsak Hammeraas, NIBIO - The Norwegian Institute of Bioeconomy Research, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); Siberian peashrub in flowering.
Bonsak Hammeraas, NIBIO - The Norwegian Institute of Bioeconomy Research, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); Siberian peashrub in flowering.
Bonsak Hammeraas, NIBIO - The Norwegian Institute of Bioeconomy Research, Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); Plant close-up
John M. Randall, The Nature Conservancy, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s);
Vanessa Richins Myers, About.com, 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:
Hoffman, R. & K. Kearns, Eds. 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Bureau of Endangered Resources. Madison, Wisconsin. 102pp.