Dense shrub 0.5-1.5 m tall. Branchlets angular and ridged, sericeous between ridges. Leaves linear, 1.5-4.5 cm long, 0.8-1.3 mm wide; upper surface flat to convex; margins revolute; lower surface enclosed except for midvein, 2-grooved. Conflorescence terminal or axillary, erect, pedunculate, loosely regular, subumbelloid, c. 4-10-flowered. Flowers adaxially oriented. Flower colour: perianth white; style white to cream, sometimes tinged pink. Perianth subsericeous outside, bearded inside. Pistil 7-9.5 mm long; style incurved, with minute papilloid or erect hairs in apical 1 mm; pollen-presenter oblique. Follicle ellipsoidal to ovoid, 9.5-11 mm long, with several very prominent regular longitudinal flange-like ridges.
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