clover, bur

COMMON NAME: Clover, bur
SCIENTIFIC NAME: Medicago polymorpha
FAMILY: Fabaceae
LIFECYCLE: Annual
FEATURES: Annual low-growing winter annual herb. Leaves trifoliate, spatulate, with minuscule teeth along
edges often present. Central leaflet on a short petiole (leaf stalk). Inflorescence a cluster of
individual yellow flowers, similar to that of small hop clover. Produces a swirling bur-like seedpod
covered in short spines.
DESCRIPTION: Similar to spotted bur clover however bur clover does not have dark spots on upper leaf surface.
Common in thin turf or low competition areas. Can also survive in low nitrogen, unfertilized
conditions since it is a nitrogen fixing legume.

Broad View Weedy burclover stand.

Broad View
Weedy burclover stand.

Leaf Trifoliate leaf close up.

Leaf
Trifoliate leaf close up.

Flower / Seed Head Burs or fruit.

Flower / Seed Head
Burs or fruit.

Flower / Seed Head Stem with inflorescence.

Flower / Seed Head
Stem with inflorescence.