The leaves are in irregular whorls of three or four, elliptic, sometimes lance-shaped, rarely heart-shaped, 0.5–3 cm (0.20–1.18 in) long, 3–10 mm (0.12–0.39 in) wide, leathery, brown tomentose beneath, dark green, reticulate veins and margins recurved, apex blunt, often with an abrupt point.

[6] Oxylobium ellipticum is endemic to Australia, mostly widespread in Tasmania, Victoria, New South Wales and Queensland.

This species widespread in montane ecosystems and grows frequently on the skeletal soils and organic brown peat on quartzite sand.

This research is about the molecular phylogeny study between the species like Oxylobium, Gastrolobium, Brachysema, Jansonia, Nemica and Podolobium is presented.

The results support the recent monograph that expands Gastrolobium to include Jansonia, Nemica, Brachysema and Oxylobium.