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DescriptionClimbing, or rarely prostrate, monoecious herbs. Leaves simple. Tendrils simple. Flowers yellowish. Male flowers in subsessile to pedunculate congested axillary clusters; corolla lobes small, (0.7 - 2 mm long), shortly united below; stamens 5. Female flowers solitary or clustered, axillary; ovary smooth, developing a cup-shaped base; perianth as in male flowers; stigma 2(-3)-lobed. Fruits small, red, often beaked, circumscissile near the persistent base.