Rounded annual, up to 0.13-0.50 m, with mealy grey to white indumentum of vesicular scales. Leaves rhomboid, toothed. Flowers in axillary clusters. Flowering time Sept.-May. Fruiting bracts triangular, fused into an inflated bladder, up to 12 mm long.
Monoecious, grey-mealy, rounded, short-lived herb, up to 300 mm tall. Leaves narrowly elliptic to obovate, toothed. Flowers in axillary clusters. Fruiting bracts triangular, fused into an inflated bladder, up to 12 mm long.
Grey-mealy, rounded annual to 30 cm. Leaves rhomboid, toothed. Flowers in axillary clusters; fruiting bracts triangular, fused into an inflated bladder, to 12 mm long.