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*Tribulus Linnaeus. Subfamily: Tribuloideae. Common name: Caltrop, Bur-nut.

Key to Tribulus

A genus of about 25 species, herbs, of tropical and subtropical parts of the Old World (introduced in the New World).

References: Porter (2016) In Flora of North America Editorial Committee (2016); Sheahan In Kubitzki, Bayer, & Stevens (2007). 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© Aidan Campos | Tribulus terrestris source | Original Image ⭷
image of plant© Paul Marcum | Tribulus terrestris source | Original Image ⭷
image of plant© Brandon Corder | Tribulus cistoides source | Original Image ⭷
image of plant© Aidan Campos | Tribulus terrestris source | Original Image ⭷
image of plant© Paul Marcum | Tribulus terrestris source | Original Image ⭷
image of plant© Paul Marcum | Tribulus terrestris source | Original Image ⭷

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