Palm-tree. Trunk single, grey, ringed, covered with persistent leaf bases. Leaves forming dense, usually elongate crown at top of trunk; midrib extending into the lamina; lamina deeply divided, apex of lobes usually once divided. Inflorescence axillary, paniculate, much branched, arching beyond leaves. Flowers subsessile, outer perianth segments fused, inner fused into tube basally; stamens 6, dorsifixed; carpels 3, styles fused. Fruit a drupe.
2 species, both native to western North America and Mexico, 1 species naturalised in Victoria.