A much branched shrub about 60 cm high, with very slender pubescent branchlets. Leaves mostly 6-8 mm long, alternate or sometimes opposite, erect-spreading, oblong-lanceolate, obtuse, rounded or widely cuneate at the base, concave up the middle, convex towards the margin, revolute and with closely set glands at the margin, glabrous, with a prominent nerve beneath and a few glands on or near the nerve. Flowers 1 or 2 together at the ends of short leafy branchlets. Peduncles 2-2.5 mm long, pubescent, subtended by linear-lanceolate ciliate bracteoles. Sepals 3.5 mm long, linear-lanceolate, attenuate, obtuse, concave above, ciliate, rounded and with 2 rows of conspicuous glands beneath, sparsely pubescent at the base. Petals 4 mm long, elliptic or obovate, very obtuse, tapering and ciliolate to a wide base, concave above at the apex. Stamens with filaments very sparsely pubescent on the lower half. Staminodes 1.5 mm long, lanceolate, obtuse, slightly concave above, ciliate, tipped with a stalked gland. Disk crenulate. Ovary glabrous, with 3 carpels bearing oblong obtuse processes. Style glabrous.
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Single-stemmed, dense shrublet with wiry branches, to 60 cm. Flowers usually solitary in upper axils, white, with slender, tapering sepals. Fruits long-horned, 3-chambered.