|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 pratense L.
Habit: Perennial herb, generally hairy. Stem: ascending. Leaf: cauline; stipules bristle-tipped; leaflets 1.5--3.5 cm, elliptic to obovate, +- entire. Inflorescence: terminal, above pair of reduced leaves, head-like, 2--3 cm wide; peduncle 0. Flower: calyx 4.5--7.5 mm, tube 10-veined, lobes +- >= tube, bristle-like, straight, sparsely plumose; corolla 11--15 mm, generally red-purple. Fruit: circumscissile. Seed: 1--2. Chromosomes: 2n=14, 28.
Ecology: Disturbed areas; Elevation: 0--2900 m. Bioregional Distribution: CA-FP, n GB; Distribution Outside California: United States, especially northern, Canada; native to Europe. Flowering Time: Apr--Oct Note: Important forage crop.
eFlora Treatment Author: Michael A. Vincent & Duane Isely
Jepson Online Interchange
Previous taxon: Trifolium polyodon
Next taxon: Trifolium productum
Citation for this treatment: Michael A. Vincent & Duane Isely 2016. Trifolium pratense, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47160, accessed on July 26, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 26, 2016.