Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, glabrous. Leaves opposite, compound, 10-28 mm long, with 3 leaflets, each 7-20 mm long, 0.5-0.7 mm wide, flat, the margins flat, smooth, without distinct raised glands, glabrous; stipular excrescences absent. Flowers axillary, solitary; pedicels 3-10 mm long; calyx present, 1.5(-4.5) mm long, smooth, without distinct raised glands, glabrous; corolla blue, petals four, 3.5-6.5 mm long, valvate (not overlapping), free, glabrous; stamens twice as many as petals, 2 mm long, smooth, ciliate (with a marginal fringe of hairs); anthers 1 mm long, with an appendage; style 0.2(-0.3) mm long. Flowers in July, August, September and October. Occurs in the South-West Botanical Province, in the Jarrah Forest, Swan Coastal Plain and Geraldton IBRA region(s).