- Medicago lupulina is a low-growing summer or winter annual broadleaf plant growing to 1.6 ft. (0.5 m) tall.
- Stems are light green or reddish green and densely covered with white hairs. The alternate compound leaves are trifoliate.
- Flowers are yellow and usually clustered in groups of 15-50 flowers blooming from April to August. Each flower is about 0.13 in. (0.32 cm) long and each cluster is about 0.25 in. (0.64 cm) across.
- Each cluster of flowers is replaced by a dense cluster of seedpods. Each seedpod is dark-colored, hairy, strongly curled, and about 0.13 in. (0.32 cm) long containing a single dark seed that is somewhat flattened and reniform (kidney-shaped).
- Ecological Threat
- Medicago lupulina is usually found in highly disturbed areas and can be found in prairies, cropland, pastures, areas along railroads and roadsides. It is native to Eurasia.
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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 Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org
Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.
|No Data for this state|
|Troublesome or Common weed in one or more crops|
Invasive Listing Sources
- East Central Florida CISMA
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- Kentucky Exotic Pest Plant Council - Lesser Threat
- Mid-Atlantic Exotic Pest Plant Council, 2005
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- WeedUS - Database of Plants Invading Natural Areas in the United States
Other System LinksPlants: MELU
NPDN Pest: PCQBIBB
NPDN Host: 36425
|Common Name Reference:|| Weed Science Society of America Common Names List|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|