Tribulus terrestris

Click on the images below to see larger versions.

Scientific Name Tribulus terrestris USDA PLANTS Symbol
TRTE
Common Name Puncture Vine, Goathead ITIS Taxonomic Serial No.
29057
Family Zygophyllaceae (Caltrop) SEINet Reference
Click Here
Description Habitat: Sandy or gravelly disturbed sites, waste areas and roadsides; introduced plant widespread throughout North America.
Plant: Prostrate annual, branched, radiating up to 5 feet from top of taproot; hairy.
Leaves: Opposite, pinnately-compound leaves, 1/2 to 2 inches long overall; 6 to 14 oblong to narrowly-ovate leaflets, each up to 1/2-inch long; somewhat hairy.
Inflorescence: Solitary yellow flowers on short stalks in leaf axils; each about 1/2-inch wide; 5 sepals, 5 petals up to 1/4 inch long, tips rounded or lobed; 10 stamens.
Fruit: Hard, dry burrs in 5 segments, each segment with 2-4 stout spines up to 1/3 inch long.
Reference: Descr. adapted from Kansas Wildflowers and Grasses.
Texas Status
Introduced

© Tom Lebsack 2017