On flowering, the inflorescence in male plants is branched to three orders, in females to one, rarely two. The prophyll is large, splitting and becoming tattered, and armed with pseudo-whorls of black spines. Peduncular bracts are not present in the genus, the first order branches bear distichous, unarmed tubular bracts with fibrous limbs which subtend or wholly enclose, in the staminate spike, the second order branch system. These are subtended by tubular, membranous bracts, the third order rachillae have similar bracts subtending solitary staminate flowers.
The staminate flowers are tiny with a tubular calyx divided into three hairy, triangular lobes. The corolla is basally tubular and twice as long as the calyx, divided into three lobes, striate and valvate. There are six stamens with laterally connate filaments and oblong to ovate anthers, dorsifixed towards the base. The pollen is circular to elliptical and monosulcate; exine reticulate and tectate and irregularly spotted with striate spines; the tiny pistillode is trifid.
In female plants the inflorescence usually features one main branch and the branchlets may grow from the main axil, the branch, or both. The branchlets are subtended by netlike bracts, often enclosing them, each small branch bearing up to 20 pistillate flowers, each flower held in two distinct bracteoles. A sterile staminate flower is usually absent. The pistillate flowers are larger, calyx similar, with six staminodes. The filaments are joined to form a tube, the empty anthers flattened, gynoecium ovular, trioculate and scaly. There are three conspicuous fleshy stigmas, reflexed, with a basally attached ovule. The beaked fruit is ovoid to pear shaped, covered in reflexed scales, with a thin mesocarp. Each fruit carries one basally attached seed with a basal embryo.