Caltrop, Yellow Vine or Cat-head

coley62 — Tue, 08 Jul 2014 02:17:00 GMT

A weed. Tribulus species are summer growing annuals that occur throughout mainland Australia and have high drought tolerance. The plant is a spreading vine. Leaves are opposite and made up of several pairs of leaflets. Flowers have five petals that are longer than the sepals. Fruits have many spines to assist spread of seeds. Many species of Tribulus are introduced although some do appear to be native to Australia.
Family: Zygophyllaceae Genus: Tribulus Species: unknown Main Flower Colour: Yellow

Zygophyllaceae Tribulus Wildflowers

Caltrop, Yellow Vine or Cat-head