Zieria southwellii J.A.Armstr.

Shrub or small tree to 5 m high. Branchlets terete or slightly ridged, with decurrent leaf bases absent or faint, not glandular-verrucose, hirsute with stellate hairs, sometimes with few hairs. Leaves trifoliolate; petiole 12–50 mm long; central leaflet narrowly elliptic, commonly 45–90 mm long, 8–33 mm wide, entire, flat, obtuse, concolorous; adaxial surface not glandular-verrucose, glabrous or with few hairs; abaxial surface not glandular-verrucose, with few hairs to glabrous, the midrib not glandular-verrucose, with few hairs, secondary venation prominent. Inflorescences shorter than leaves, many-flowered; peduncle hirsute. Sepals 0.6–1 mm long, densely pubescent. Petals imbricate, 4–5.5 mm long, creamy white, pubescent adaxially. Filaments glandular-verrucose apically, prominently dilated basally. Cocci apiculate, glabrous.

Grows near rainforest margins and adjacent wet sclerophyll forest in skeletal soil.