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Trifolium Linnaeus. Clover.

Key to Trifolium

A genus of about 280 species, annual and perennial herbs, nearly cosmopolitan (primarily north temperate).

Key advice:Draft key adapted from various published sources.

Ref: Chapel & Vincent (2013); Collins & Wieboldt (1992); Isely (1998); Vincent & Gillett (2023) In Flora of North America Editorial Committee (2023b); Zohary & Heller (1984). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Gary P. Fleming | Trifolium reflexum | Original Image ⭷
image of plant© Gary P. Fleming | Trifolium arvense | Original Image ⭷
image of plant© Bruce A. Sorrie | Trifolium pratense | Original Image ⭷
image of plant© Bruce A. Sorrie | Trifolium arvense | Original Image ⭷
image of plant© Gary P. Fleming | Trifolium aureum | Original Image ⭷

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