Shrub with branches erect, 1-3 m tall. Branchlets glabrous, glaucous. Leaves simple-or rarely compound-terete, 1-7 cm long, 0.7-1.8 mm wide, constricted basally, rigid, not grooved, glabrous, not glaucous; ultimate segments (when leaf compound) 2 or 3. Inflorescence axillary raceme with 8-20 flowers; involucre 3-6 mm long; rachis 2-3 mm long, glabrous; pedicels 2.5-9.5 mm long. Perianth 1.5-2.5 mm long, cream-white. Pistil 3-4.5 mm long. Fruit obliquely ovate, 1.6-2.3 cm long, 0.8-1 cm wide, finely and sparsely black-pusticulate, obscurely apiculate; horns 5 mm long. Seed obliquely narrowly obovate, 14-17 mm long; wing partly down one side of seed body only.
Found in winter-wet areas in Hakea/Melaleuca scrub in sand, well-drained gravelly loam, pebbly loam or red clay over ironstone.
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