Boerhavia dominii

Boerhavia dominii, commonly known as tarvine, is a species of flowering plant in the four o'clock family. It is native to Australia.
It is a prostrate perennial herb growing up to 1 metre in diameter. Leaves are about 40 mm long and 20 mm wide and may have a wavy edge. It produces pale pink or pale purple flowers followed by small, hairy, furrowed fruits.