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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Medicago||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Medicago rigidula (L.) All.
Habit: Annual, hairy, often glandular-hairy. Stem: prostrate to ascending, generally 1--7 dm. Leaf: stipules entire or deeply toothed; leaflets generally 1--1.5 cm, wide-obovate to -obcordate, entire to dentate near tip. Inflorescence: 1--6-flowered, peduncle > (<=) petiole. Flower: calyx 3--5 mm; corolla 6--7 mm, yellow. Fruit: 4.5--9 mm, disk-like, cylindric to spheric, loosely coiled 3--7 turns, veins strongly curved; light yellow to dark gray, prickly, hairy, often glandular-hairy (or glabrous). Seed: 1--3. Chromosomes: 2n=14.
Ecology: Uncommon. Disturbed and agricultural areas; Elevation: < 400 m. Bioregional Distribution: PR; Distribution Outside California: native to Europe, northern Africa. Flowering Time: Mar--Apr
eFlora Treatment Author: Martin F. Wojciechowski & Duane Isely
Jepson Online Interchange
Previous taxon: Medicago praecox
Next taxon: Medicago sativa
Citation for this treatment: Martin F. Wojciechowski & Duane Isely 2017. Medicago rigidula, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=32941, accessed on January 18, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 18, 2017.