A much branched shrub 30-60 cm high, with branches retaining the bracts and bracteoles of previous flowering periods. Branchlets pubescent. Leaves mostly 1-1.5 cm long, sometimes up to 3 cm long, opposite or alternate, crowded, erect-spreading or spreading, often slightly recurved, lanceolate or linear-lanceolate, acuminate, sharply mucronate, rounded at the base, distinctly concave above, slightly thickened at the margin, rounded and with scattered and marginal glands beneath, ciliate at the base. Flowers axillary, 1-3 together. Peduncles 4-5 mm long, glabrous, subtended by 2 oblong ciliolate bracteoles. Sepals 1.75 mm long, linear-lanceolate, obtuse, convex beneath, ciliate. Petals 3.75 mm long, elliptic or ovate-elliptic, rounded at the apex, widely cuneate at the base, glabrous. Stamens glabrous. Staminodes 1.25 mm long, lanceolate, gland-tipped, concave above, ciliate. Disk crenulate. Ovary glabrous, with 2 carpels bearing oblong obtuse warted processes. Style glabrous.
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Single-stemmed, much-branched, leafy shrub to 80 cm. Leaves spine-tipped, pleasantly aromatic. Flowers axillary, usually solitary, white, pink to purple. Fruits 2-chambered.