Shrub, from prostrate to 1.5 m high. Stems glabrous. Leaves opposite, shortly petiolate, glabrous. Inflorescence compact; involucral bracts glabrous outside, glabrous or partially hairy inside. Flowers bisexual or female, with antrorse hairs outside, glabrous inside, usually white, sometimes pink or pale yellow. Hypanthium 7–16 mm long, circumscissile; style-portion 5.5–13 mm long. Sepals 1.5–5 mm long. Stamens shorter than or rarely shortly exceeding sepals; anther locules latrorse or sometimes semi-latrorse. Ovary distally hairy.
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