Medicago arabica (spotted medick)

Leaf type: Trifoliate, with individual leaflets that are oval to heart-shaped
Leaf margin: Smooth to slightly serrated
Phyllotaxis: Alternate (trifoliate leaves)
Colour: Green, green with red and brown spots
Life cycle: Annual

Leaf (upper side)

leaf Medicago arabica
The pinnate leaves are usually heart-shaped but can also be broadly oval.
spotted leaf Medicago arabica
Red-brown spotted leaf. Also pictured are leaves of chickweed and Persian speedwell.

Growth habit & biology

Medicago arabica grows as an annual or, if the seeds germinate in late summer, as a winter-hardy annual.

The trifoliate leaves usually have a dark red to brownish spot, but may also be pure green.

The leaf margins are smooth to slightly serrated and may also be dark red to brownish in color.

The shoots grow prostrate or semi-erect and can reach up to 50 centimeters in length.

Medicago arabica habitus
Medicago arabica with only slightly spotted or entirely green leaves.

Distribution & habitates

Medicago arabica is native to the Mediterranean region but is also considered naturalized in some Central and Northern European countries.

It is also reported to occur as a naturalized species in Australia, New Zealand, North America, South America, and East Asia (source).

gnat on spotted medick
Gnat on spotted medick.

Medicago arabica grows in meadows, on embankments and slopes, along roadsides, and in or near fields. It thrives best in sunny and warm locations.

Medicago arabica in a field
Medicago arabica in a field in late November.

Botany

The spotted medick, spotted burclover or heart clover (Medicago arabica) is a member of the legume family (Fabaceae).

It is not related to the similar-looking wood sorrel (Oxalis acetosella).

Medicago arabica in meadow
Spotted medick in a meadow. Here, it uses other plants for support.