Boronia tenuis Benth.

Woody perennial to 0.6 m high, glabrous except stamens. Branchlets slender; decurrent leaf bases faint or absent. Leaves sessile, filiform, terete, 5–20 mm long, shorter than internodes, acute, channelled above. Flowers axillary, solitary or in groups of 2 or 3; pedicels slender,  7–15 mm long. Sepals narrowly ovate or narrowly triangular, c. 3 mm long. Petals elliptic, 6–7 mm long, thin, white to pink adaxially, pale blue with darker narrow keel abaxially. Stamens: filaments narrowly elliptic, ciliate, glandular-verrucose towards apex; anthers  0.7 mm long, with a swollen rounded apiculum c. 0.5 mm long. Style slender, c. 1 mm long; stigma minute.

Generally growing on laterite.