Siberian peashrub
(Caragana arborescens )
This species is Introduced in the United States
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
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State Lists - This map identifies those states that have this species on their invasive species list or law.
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.
- Minnesota Noxious Weeds
- Ontario’s Invading Species Awareness Program Tracked Species List
- WeedUS - Database of Plants Invading Natural Areas in the United States
- Wisconsin Noxious Weeds
- Wisconsin's Invasive species rule – NR 40
Taxonomic Rank
Domain: Eukarya |
Kingdom: Plantae |
Phylum: Magnoliophyta |
Class: Magnoliopsida |
Superorder: Rosanae |
Order: Fabales |
Family: Fabaceae |
Subfamily: Faboideae |
Tribe: Hedysareae |
Genus: Caragana |
Caragana arborescens |
References
Common Name Reference: USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.
Scientific Name Reference: USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.