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|Family: Rubiaceae||View Description||Dichotomous Key|
|Genus: Sherardia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sherardia arvensis L.
Habit: Annual, matted. Stem: decumbent, generally many-branched at base, 7--16 cm, 4-angled. Leaf: whorls of 5--6; 4--13 mm, lanceolate or oblanceolate, margin thick, tip acute or weak-spined, stipules leaf-like. Inflorescence: head, axillary, involucred; flowers sessile, generally 2--3, generally included in involucre; involucre bracts +- free, +- = leaves, generally < peduncle. Flower: calyx lobes 6, persistent, tips +- dissected; corolla salverform, generally 4-lobed, pink or lavender; styles 2, thread-like, fused proximally. Fruit: 2 nutlets; hairs soft. Chromosomes: 2n=22.
Ecology: Pastures, disturbed areas, grassland, dry meadows, oak woodland; Elevation: 10--1160 m. Bioregional Distribution: NCo, NCoRO, NCoRI, CaRF, n SN, ScV, SnFrB, SCoRO, SCo; Distribution Outside California: to Idaho, Arizona, eastern United States; native to Mediterranean. Flowering Time: Mar--Jul
eFlora Treatment Author: Robert E. Preston & Lauramay T. Dempster
Jepson Online Interchange
Previous taxon: Sherardia
Next taxon: Rutaceae
Citation for this treatment: Robert E. Preston & Lauramay T. Dempster 2016. Sherardia arvensis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=44299, accessed on October 27, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 27, 2016.