A shrub more than 300 mm tall, apparently quite dense, prickly and twiggy rather than lax, habit unusual in that the leafy branchlets are scattered about and not concentrated towards the top of the shrub. Branches numerous, short, not straight, glabrous with a smooth brown bark. Branchlets very numerous, short, slender, alternate, spreading, with a shining smooth bark, not hidden by the leaves. Leaves to 14 mm long, 1 mm broad, linear, acute, with a long sharp needle-like point, glabrous, sessile, alternate, more or less spreading; margins very entire, narrowly translucent; abaxial surface convex without any keel with gland dots more or less in two rows; adaxial surface concave. Inflorescence terminal with flowers few, crowded together in very much reduced racemes on glabrous pedicels. Bract glabrous, a very much reduced leaf with a sharp point. Bracteoles two, lanceolate, acute, glabrous, eciliate, all 3 at the base of the pedicel. Calyx lobes five, 1 mm long, ovate-lanceolate, apiculate, glabrous, eciliate, gland-dotted; margins broad, translucent. Petals five, ovate, glabrous, 1-2 gland-dotted, spreading, persisting. Staminodes absent. Filaments five, 1.5 mm long, glabrous. Anthers five, with a globose apical gland. Disc 5-lobed, sinuate, stands open around the ovary. Stigma capitellate. Style glabrous. Unripe fruit 6 mm long, glabrous; horn 3 mm long with an immersed apical gland.
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Finely leafy, twiggy, aromatic shrublet sometimes to 40 cm. Leaves sessile, spreading, linear, pungent. Flowers few on short, terminal racemes, white.