Aerial shrubs, stem-parasitic, erect to pendulous, nearly glabrous; epicortical runners absent (in Victoria). Leaves usually opposite, rarely subopposite or verticillate, flat or terete, usually curvinerved. Inflorescence an axillary pedunculate umbel of triads but often reduced to a simple umbel or head; rays of umbel 2–several, usually strongly divergent; bract usually 1 per flower. Calyx entire or toothed; petals usually 4–6, free, green, pink or red; stamens 4–6, equal, anthers basifixed, immobile, 2- or 4-celled; style usually articulate at base. Fruit globular to ellipsoid, succulent, berry-like.
About 100 species, from South-east Asia to the western Pacific; 36 species in Australia.