Scientific NameMedicago lupulina
Other Common Names:
Synonyms (former Scientific Names):
Medicago lupulina L. var. cupaniana
Medicago lupulina L. var. glandulosa
This plant is a summer annual with a spreading, crawling growing habit. The plant produces a small cluster of bright yellow flowers from May through July. The seeds each come from a kidney shaped, hairy, black pod.
Leaves are composed of three wedge-shaped leaflets that are almost elliptic. The leaves are sparsely hairy, and are toothed near the near the tip.
Once in the ground, the seeds can remain for many years before sprouting.
Flower Seed Head
Flowers sprout in a compressed cluster with as many as 50 individual flowers per cluster.
The seeds each come from a kidney shaped, hairy, black pod.
This plant prefers compressed soils, such as high traffic areas near sidewalks. It is also common in lawns, open fields, roadsides, and all other types of turf
prostrate and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
shorter than leaf
Stem Cross Section
round or oval