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Trees or shrubs, perennial, from tuberous taproot. Stems erect, divaricately branching, unarmed, internodes without glutinous bands, glabrate (short pubescent). Leaves petiolate; blade broadly lanceolate to obovate, thin, margins entire. Inflorescences in axils of leaves, compound cymose, loose, each flower subtended by 2–3 bracts. Flowers unisexual, (plants dioecious), chamogamous, narrow; staminate perianth 5-toothed, tubular to narrowly campanulate, limb not reflexed at maturity, stamens 5–10, exceeding perianth; pistillate perianth 5-toothed, tubular, closing over ovary, styles slender, barely exserted, stigmas tipped by fine hairs. Fruits bright orange-red, becoming weakly 10-ribbed upon drying, obovoid to globose, fleshy, glandless.