Stems wiry, woody at the base, sprawling, much branched, up to 1 m long, glabrous, brown. Leaves in whorls of 6, 4 or 2, separated by internodes 0.5-2.5 cm long, the lower deciduous. Leaves 3-5 mm long, 1-2 mm wide, firm, oblanceolate, acute, flat, green or brown, sometimes slightly glaucous. Stipules caducous. Flowers in groups of 2-5, most commonly 3, on pedicels 1-3 mm long, usually shorter than the leaves. Perianth 1-2 mm long, the segments obtuse, connate at the base, with a bulging green midrib for two-thirds their length. Anthers red or orange. Fruit rotund-pear-shaped, slightly compressed, acute at the tip, slightly ridged at the edge, brown, finely rugose, shorter than the perianth.
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Spreading, diffuse shrublet to 30 cm, with wiry stems. Leaves whorled, linear to oblong, apiculate. Flowers in small, axillary clusters, white. Fruits subglobose, minutely pitted.