|University of California, Berkeley|
|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: Trifolium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Trifolium oliganthum Steud.
Habit: Annual, generally glabrous. Stem: ascending to erect. Leaf: cauline; stipules toothed or deeply cut; leaflets 1--2 cm, linear to obovate. Inflorescence: head-like, 6--10 mm wide, 5--15-flowered; involucre 2--3 mm, wheel-shaped, inconspicuous, generally cut > 1/2 to base into narrow lobes. Flower: calyx 5--7 mm, tube slitting between upper lobes, lobes < tube, tapered to occasionally +- forked bristle; corolla 5--8 mm, +- >= calyx. Seed: 1--2. Chromosomes: 2n=16.
Ecology: Woody or shrubby slopes, roadsides; Elevation: < 1000 m. Bioregional Distribution: KR, NCoR, SN, GV, SnFrB, SCoRO; Distribution Outside California: to British Columbia. Flowering Time: Mar--Jun
eFlora Treatment Author: Michael A. Vincent & Duane Isely
Jepson Online Interchange
Previous taxon: Trifolium obtusiflorum
Next taxon: Trifolium olivaceum
Citation for this treatment: Michael A. Vincent & Duane Isely 2017. Trifolium oliganthum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=47145, accessed on April 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 25, 2017.