Bur-clover

Medicago polymorpha

Family: Fabaceae

Plant Description: Annual with reclining or prostrate stems to 40 cm or longer; sprawling. Leaves, alternate, 3-foliate with leaflets 8-16 mm long. Flowers few per head, strongly bilateral, pea shaped, the upper petals 4-5 mm long, yellow. Legumes curled up, prickly.

Plant Trivia: Native to Eurasia. Handling plant and touching eyes can cause eye irritation.

Field Identification:

Occurrence:

Bloom Period:

Plant Use:

Key to the species of Medicago:

  1. Flowers purple-violet………………………………………………………………………M. sativa

Flowers yellow………………………………………………………………………………………………2

2. Fruits prickly…………………………………………………………………………M. polymorpha

Fruits smooth……………………………………………………………………………………………….3

3. Leaflets glabrous…………………………………………………………………..M. orbicularis

Leaflets hairy……………………………………………………………………………..M. lupulina