Trees or shrubs, mostly hemi-epiphytic with aerial roots; internodes solid. Scars of the stipules usually oblique; blade basally attached, entire, pinnately veined (to subtrinerved). Inflorescences branched or unbranched (and unicapitate), with flowers in terminal (sub)globose heads, with or without interfloral bracts. Perianth tubular; stamens 1, 2 or 3, connate; stigma penicillate to subpeltate. Fruit small (1-2 mm long), achene-like (or drupaceous in C. asperifolia), enclosed by the enlarged, ± fleshy perianth; endosperm present, cotyledons flat.