It is a small, upright or decumbent plant with white flowers, yellow florets and is endemic to Australia.

Rhodanthe floribunda is an upright or ascending, bushy annual to 30 cm (12 in) high with woolly or almost smooth stems arising from the base.

Flowering occurs from August to January but mostly in spring and the fruit is a rounded achene about 3 mm (0.12 in) long and covered with soft, silky, weak hairs.

[2][3][4] This species was first described as Helipterum florabundum in 1838 by Augustin Pyramus de Candolle from an unpublished description by Allan Cunningham.

[8] Common white sunray grows in semi-arid locations on a variety of soil types including sand and clay in New South Wales, Victoria, Queensland, Western Australia, South Australia and the Northern Territory.