Coast twin-leaf is a perennialherb with stems that spread over the ground. The stems are branched and 20–40 mm long. The leaves are Y-shaped, with blunt tips, and up to 15 mm long. The flowers are yellow and about 10 mm long. The fruit is a drooping four-angled capsule about 10–12 mm long, containing brown seeds.[2] It is a scrambling plant which is found in both sheltered and exposed coastal sites where it stabilises loose sand on dunes.[3]
^ ab"Zygophyllum billardierei"(PDF). Threatened Flora of Tasmania. Department of Primary Industries, Water and Environment, Tasmania. 2003-09-03. Retrieved 2012-05-10.
^Longmore, Sue; Smithyman, Steve & Crawley, Matt (2010). Coastal Plants of the Bellarine Peninsula. Bellarine Catchment Network.