Perennial herb, prostrate to erect and 1 m high, aromatic. Branches with cottony hairs. Leaves pinnatisect, to 6 cm long and 3 cm wide; segments linear with recurved margins; undersurface densely covered with pale yellow glandular hairs, sparsely cottony. Flowers in glomerules arranged in spike-like panicles. Bisexual flower: perianth hemispherical, shortly 5-lobed; stamens 5; ovary pubescent above with amber geniculate glandular hairs. Female flower: perianth obovoid minutely lobed. Fruiting perianth c. 2.5 mm long, coriaceous, reticulate. Pericarp membranous, free. Seed erect, lenticular with rounded margin; testa reddish brown, glossy; embryo horseshoe-shaped.
Perennial herb, 0.2-1.0 m high, procumbent to erect, much branched. Leaves pinnatifid, with narrow lobes. Flowers sessile in axillary clusters; sepals connate to near apex, net-veined outside. Flowering time Oct.-Jan. Fruiting calyx enlarged and saccate.
Prostrate to procumbent branched herb with stems up to 0.6 m long. Leaves sessile, deeply pinnately divided with irregular, sometimes dentate lobes. Flowers sessile, fascicled in axils of leaves, numerous. Flowers green.