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Shrub, repeatedly dichotomously branched, with white latex. Leaves opposite, petiolate; colleters present in 1–2 rows in leaf axils. Inflorescence two together in forks of branches, congested. Flowers 5-merous. Sepals free, subequal, imbricate. Corolla salver-shaped, lobes in bud overlapping to the right; stamens included, anthers sessile, introrse, upper two thirds fertile and dehiscent longitudinally; ovary of two free rounded carpels; pistil head with a basal cylindrical part 0.4–0.9 mm long and a bifid stigmoid apex; disk present, adnate to the ovary. Fruits of two ellipsoid almost free follicles, laterally compressed. Seeds surrounded by a thin pulpy red or orange aril; endosperm white, copious; embryo white, spatulate.