Leionema rotundifolium, is a dense shrub with needle-shaped stems and pale lemon to white terminal flowers.

Leionema rotundifolium is a bushy, thick shrub to 2 m (6 ft 7 in) high with terete stems and finely covered in star-shaped hairs.

The inflorescence is a rounded cluster of flowers on a short stem in the uppermost leaves or bracts.

[2][3] This species was first formally described by Allan Cunningham and he gave it the name Eriostemon rotundifolius but did not publish the description.

[4][5] Leionema rotundifolium is found growing in the Torrington and Howell districts of north-eastern New South Wales and near Glen Aplin area of south-east Queensland on granite outcrops.