Medicago disciformis DC.
Softly pubescent annual 10-30 cm. Leaflets obovate, cuneate, dentate near the apex; stipules lanceolate, dentate near the base. Racemes 1- to 4-flowered. Corolla 4-5 mm. Legume c. 6 mm in diameter, in a lax spiral of 5 turns, discoid, glabrous, spiny; transverse veins apparently absent; upper turn of the spiral much smaller than the others and without spines; spines slender, somewhat curved, about half as long as the diameter of the legume.
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| Medicago disciformis |
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| Medicago disciformis |
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| Medicago disciformis |
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| Medicago disciformis |
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