Dioecious erect shrub to 2 m high. Leaves simple, sessile, rigid, erect, subfiliform, terete or 4-ribbed, acute, sometimes pungent, entire, 3.4–7.5 cm long, rarely to 10.2 cm, 0.1 cm wide, glabrous. Flowers in 3-or 4-flowered axillary cymes; pedicels 4.5–7.5 mm long. Sepals 3 or 4, broadly ovate, 1.4–1.7 mm long, caducous. Stamens not seen. Ovary glabrous. Capsule 3-or 4-winged, broadly elliptic in lateral view, 10–15 mm long, 14–17 mm wide, glabrous; wings 4–6.5 mm wide, membranous; dehiscence septifragal.
Grows on sand dunes, rocky ironstone rises, by sandy creeks and in red sandy loam in arid shrubland.
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