Erect annual to 1 m high, branching from base. Leaves somewhat fleshy, rhombic to deltoid, sinuate-dentate, glabrous above, mealy below when young; lamina c. 5 cm long; petiole as long as lamina. Inflorescence of axillary spike-like panicles c. 2 cm long. Lateral flowers of clusters: perianth urceolate, c. 1.5 mm high, very shortly 3-lobed, closely enclosing fruit, glabrous; stamen solitary; stigmas 2, very short, subsessile. Terminal flowers of clusters either similar to lateral flowers or 3–5-lobed and with 1–3 stamens. Seed vertical.