Compact to scrambling shrub to 1 m high (often less than 0.5 m high), usually openly branched. Young stems ± appressed-pilose, older stems becoming glabrous. Leaves somewhat crowded, often only persisting at ends of branches, in whorls of 4 or rarely 3; lamina linear to very narrowly elliptic or narrowly obovate, 10–18 (–21) mm long, 1–2.5 (–3.5) mm wide, with entire, strongly recurved margin, subacute to rounded or blunt apex, dark green with only the base of hairs persisting above on mature leaves, densely white silky-pilose below except on the raised midrib; petiole 0.5–3 mm long, bases persistent. Flowers solitary; pedicels 0.5–1 (–2) mm long. Calyx 3.5–5 mm long, densely covered with white hairs; tube 3.5–4.5 (–5) mm long; lobes triangular to broadly triangular, 2–3 (–3.2) mm long, somewhat recurved. Corolla 13–15 mm long, white with pink spots [orange to brown dots, fide Conn & Tozer 1993] in throat, or these somewhat suffused or absent; tube 6.5–7 mm long; upper lip erect, flat, 2-lobed, 6–7 mm long; lower lip 3-lobed, with lobes approximately equal. Stamens and staminodes exserted. Nutlets 1.5–2.2 mm long. Seeds flattened, narrowly obovate in outline, 1.5–1.8 mm long.
Grows on mountain ledges, cliffs and exposed ridges, in stunted shrubland. Prefers open sunny areas, particularly cliffs, and can survive in thin soil on exposed, windblown rocky ledges (Department of Environment and Climate Change (NSW) 2007: 225).
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