It is a spreading shrub with curved leaves and small groups of up to six yellow flowers in leaf axils.

[3] Homoranthus lunatus is small, spreading shrub to about 40 cm (16 in) high.

Flowering occurs from July to November and fruits August to December.

[4] Homoranthus lunatus was first formally described in 1991 by Lyndley Craven and S.R.Jones and the description was published in Australian Systematic Botany.

[5][6] The specific epithet (lunatus) is a Latin word meaning "shaped like a crescent moon".