Weeds - Goulburn Broken Catchment Management Authority

Tribulus terrestris
(Bindii, Cats Head, Goats Head, Yellow Vine)
Regionally Controlled Weed
Caltrop
Description: A prostrate Summer growing annual.
flowers: Yellow, 8-15 mm in diameter with 5 petals.
Growing from leaf axils in early Summer through to Autumn.
leaves: Darker on top and slightly hairy underneath. Each
leaf consists of 4-8 pairs of small leaflets 5-12 mm long.
stems: Numerous green to reddish-brown stems radiating
from a central crown. Up to 2 m long and sometimes slightly
erect when competing for space or light.
fruit: A woody burr with sharp rigid spines up to 6 mm long,
splitting into 5 segments when mature.
Note: Caltrop burrs damage the feet of animals and are
a painful nuisance to people, especially on playing fields,
walkways and around buildings.
similar Native species: Unlikely to be confused with native
species.
j f M A M j j A s O N D
CONtROl OPtIONs VECtOR Of sPREAD
23