Boronia rupicola Duretto

Pendulous subshrub to 70 cm long. Branches densely stellate-tomentose or glabrous. Leaves 1–7-foliolate, 5–15 mm long, 1–4 mm wide; petiole 1.5–7 mm long; rachis segments 4–7 mm long; leaflets and simple leaves elliptic to oblanceolate, 4–10 mm long, 1–3 mm wide, attenuate to obtuse. Inflorescence 1 (–3)-flowered; peduncle 0.5–1 mm long; pedicels 0.5–3 mm long. Sepals ovate-deltate, 1–1.5 mm long, acute to acuminate. Petals 2–3 mm long, white to yellow-green. Cocci glabrous or hairy.

Grows exclusively on sandstone cliff-faces.