Shrubs 300-400 mm tall, spreading, rigid, arising from a very tough root-stock. Branches short, fairly stout, spreading or erect; bark greyish, rough. Branchlets fairly slender, short, erect, stiff, sometimes reddish, puberulous or glabrous, well clothed with leaves. Leaves 3-6.5 mm long, 2.5-3.7 mm broad, ovate, acute, opposite or alternate, spreading, sessile, glabrous; apex with a small blunt callus; margins thick, not translucent, spiky ciliolate, sometimes almost eciliate, gland-dotted; adaxial surface concave; abaxial surface in two planes with a prominent midrib with scattered gland dots. Inflorescence terminal, 2 or 3-nate; flowers white, sessile, opening widely. Bract one to each flower, 2.9-3.6 mm long, 1.3-1.6 mm broad, oblong, glabrous; apex thickened with a small callus; margins gland-dotted, scabrid above, minutely ciliolate below; midrib prominent. Bracteoles two, 2.1-2.9 mm long, 0.7-1 mm broad, oblong, obtuse, glabrous; apex thickened and three sided above with a small callus; margins minutely ciliolate, translucent below; midrib gland-dotted. Calyx lobes five, 3 mm long, 1.2 mm broad, oblong, sub-obtuse, glabrous; apex callused; margins translucent and ciliolate below. Petals five, 2.5 mm long, 2 mm broad, ovate, sub-obtuse, white, sessile and very much connate with the lobe of the disc; margins below sparsely ciliolate. Staminodes five, a spherical gland about 0.2 mm diam., situated outside of the margin of the disc. Filaments five, becoming 1.7 mm long, glabrous, acicular, spreading. Anthers before anthesis 1.3 mm long, 0.7 mm broad, yellow; apical gland globose. Pollen 60 µ long, 28 µ diam., oblong. Disc 5-sinuate-crenulate, pale green with a dark green margin, exceeds the ovary by a long way, exudes nectar. Stigma 0.3 mm diam., globose, green, capitellate. Style becoming 1.8 mm long, terete, glabrous, deflexed at first. Ovary 5-carpellate, 1 mm diam., glabrous, apices globose and pale green. Fruit 5-carpellate, up to 12 mm long including the horns each up to 5 mm long, 6 mm diam., glabrous, gland-dotted; horns recurved. Seed 4-5 mm long overall, 1.8-2.1 mm broad, black, shining; aril blackish on one side, streaked on the other.
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Closely leafy, spreading, aromatic shrublet to 40 cm, from a woody caudex. Leaves sessile, sometimes opposite, ovate, acute with a blunt, apical callus. Flowers sessile, 2 or 3 in a terminal cluster, white.