Medicago lupulina

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Scientific Name Medicago lupulina USDA PLANTS Symbol MELU
Common Name Black Medic ITIS Taxonomic Serial No. 503721
Family Fabaceae (Pea) SEINet
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Description Habitat: Plains to Montane (3900 to 9000 ft.); somewhat moist soils in open areas in fields, pastures, roadsides, and disturbed areas; widespread weed throughout thhe US.
Plant: Annual with several spreading or ascending stems 4 to 16 inches long; stems and leaves covered with soft hairs.
Leaves: Alternate,pinnately ternate leaves, the three leaflets rhombic-obovate, obovate or almost round, 1/4 to 5/8-inch long, edges denticulate, especially the upper half.
Inflorescence: Numerous small yellow flowers in oval-shaped spike-like racemes that become oblong in fruit; on peduncles 3/8 to 1 inch long; very small pea-like blossoms with petals 2 mm long or less.
Bloom Period: April to October.
Fruit: Kidney-shaped pods with smooth surfaces, black when ripe.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet
BONAP Distribution Map
Colorado Status:

© Tom Lebsack 2021