Electronic Flora of South Australia species Fact Sheet
Citation: L., Sp. Pl. 387 (1753).
Synonymy: Tribulus terrestris
Common name: Caltrop, cat-head.
Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 438.
Biology: The less hairy form, with usually longer spines on the fruit, in the settled districts is perhaps introduced. A common weed in warm temperate regions on all continents. It can cause nitrate poisoning, an unusual form of staggers, and has photosensitising effects in sheep; its burrs can reduce the value of wool.
Author: Not yet available
State Herbarium of South Australia