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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: Trifolium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Trifolium variegatum Nutt.
Habit: Annual, possibly short-lived perennial herb, generally +- glabrous. Stem: prostrate to erect, wiry to fleshy. Leaf: cauline; lower stipules generally entire, upper deeply cut; leaflets generally obovate or wedge-shaped, occasionally narrower. Inflorescence: head-like, included or exserted from leaves, 0.5--2.5 cm wide, 1--many-flowered; involucre wheel-shaped, generally well developed. Flower: calyx 3--10 mm, bell-shaped, tube 10--many-veined, lobes all or some generally > tube, entire or toothed, bristle-tipped; corolla 3.5--16 mm, lavender to purple, tips generally white. Fruit: stalk-like base short or 0. Seed: 1--2. Chromosomes: 2n=16.
Note: Most variable of California clovers; +- 30 entities named but intergrading without clear delimitations; most conspicuous California entities treated as varieties below; keel shape seems taxonomically insignificant; molecular research needed.
eFlora Treatment Author: Michael A. Vincent & Duane Isely
Jepson Online Interchange
Previous taxon: Trifolium trichocalyx
Next taxon: Trifolium variegatum var. geminiflorum
Citation for this treatment: Michael A. Vincent & Duane Isely 2017. Trifolium variegatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=47179, accessed on April 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 26, 2017.