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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Medicago||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Medicago orbicularis (L.) Bartal.
AGRICULTURAL, GARDEN, OR URBAN WEED
Habit: Annual, +- glabrous. Stem: spreading, mat-forming. Leaf: stipules generally divided +- to base into a cluster of bristles; leaflets 1--1.5 cm, obovate. Inflorescence: 1--5-flowered. Flower: calyx 2.5--3 mm; corolla 3--6 mm, yellow with +- dark purple spot on back of banner, ephemeral. Fruit: coiled 3--7 loose turns, generally disk-like; papery, tan to black, prickles 0, hairs 0 or +- glandular. Seed: several. Chromosomes: 2n=16.
Ecology: Uncommon. Disturbed areas, roadsides; Elevation: especially < 500 m. Bioregional Distribution: ScV, CCo/SnFrB; Distribution Outside California: sporadic elsewhere in United States, Oklahoma, Florida; native to Mediterranean, northern Africa. Flowering Time: Mar--Jun
eFlora Treatment Author: Martin F. Wojciechowski & Duane Isely
Jepson Online Interchange
Previous taxon: Medicago minima
Next taxon: Medicago polymorpha
Citation for this treatment: Martin F. Wojciechowski & Duane Isely 2016. Medicago orbicularis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=32937, accessed on February 09, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 09, 2016.