Skip to main content

Tribulus occidentalis R.Br.
Perennial Caltrop

Reference
Sturt, Narr.Exped.Cent.Austral. 2, App.:69 (1849)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate perennial, herb, 0.02-0.1 m high, plants villous; leaflet pairs 7-10; fruits with many spines, spines 4-6(-8) mm long. Fl. yellow, Feb to Nov. Sandy soils. Coastal areas.

Helen Coleman, Descriptive Catalogue, 12 November 1998
Image

Distribution

IBRA Regions
Carnarvon, Central Ranges, Dampierland, Gascoyne, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Murchison, Ord Victoria Plain, Pilbara, Tanami, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Central, Chichester, Eastern Murchison, Edel, Fitzroy Trough, Fortescue, Hamersley, Lateritic Plain, Mackay, Mann-Musgrave Block, Pindanland, Roebourne, South Kimberley Interzone, Trainor, Western Murchison, Wooramel.
IMCRA Regions
Canning, Eighty Mile Beach, North West Shelf, Pilbara (nearshore), Pilbara (offshore), Shark Bay, Zuytdorp.
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, Derby-West Kimberley, East Pilbara, Exmouth, Karratha, Laverton, Ngaanyatjarraku, Port Hedland, Sandstone, Shark Bay, Upper Gascoyne, Wiluna, Wyndham-East Kimberley, Yalgoo.