Evergreen lianes with axillary solitary spines sometimes hooked. Twigs ±terete. Leaves (1) 3-foliolate; petiole pulvinate, not winged. Flowers in axillary racemes or solitary, bisexual, 3–5-merous. Calyx cupular; margin lobed. Petals imbricate. Stamens 6–10, free or ±basally connate. Disc annular, pulvinate or columnar. Ovary 3–5-locular, with gynophore, each locule with 1 or 2 ovules. Berry rounded or lobed, resinous; mesocarp mucilaginous. Seeds 1–3, ovoid or flattened with single straight embryo.