Fls unisexual to perfect, us. capitate to solitary. Calyx tubular (hypanthium ?), us. swollen at base, 4-lobed (sepals ?); petal scales 0; stamens 2, inserted on throat, filaments slender, anthers introrse; disk 0. Ovary 1-celled, style us. elongate; ovule solitary; fr. small, drupaceous or dry. About 80 spp. of shrubs or subshrubs of Australia and N.Z., with a few in Timor and Lord Howe Is; the N.Z. spp. endemic; the fls mostly functionally unisexual; the ♂ us. larger than ♀, with long filaments, small stigma and abortive ovary; the ♀ with subsessile ± aborted stamens and longer stigma, receptacle villous.

n = 18

n = 18

2n = 36