Citation: R. Br. in Sturt, Exped. Centr. Aust., Bot. App. 69 (1849).

Synonymy: Kallstroemia hystrix (R. Br.)Engler, Natürl. Pflanzenfam. 3, 4:88 (1890). , Tribulus lanatus, Tribulus occidentalis

Common name: None

Description:
Prostrate or ascending perennial, grey, with appressed woolly or curly hairs; leaves opposite, the larger with 8-10 pairs of leaflets; leaflets ovate.

Flowers to 5 cm diam.; sepals 12-15 mm long, silky; petals bright-yellow, 20-30 mm long; style conspicuous, 3-4 mm long.

Fruit tomentose, c. 15 mm long without the spines; back of each coccus covered with unequal subulate hairy spines 5-12 mm long, the longest sometimes 2- or 3-fid; seeds 2-4 in each coccus.

	Tribulus hystrix
Image source: fig 392d in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  S.Aust.: LE, GT, FR.   W.Aust.; N.T.; Qld; N.S.W. Conservation status: native Flowering time: March — Nov.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available