Annual monoecious herbs with prominent stellate-dendroid hairs. Staminate flowers in few-flowered axillary clusters; perianth 2-lobed, almost claviform; stamens l(-2); pistillate flowers mostly solitary, 2- bracteolate; bracteoles folded, fused their entire length, tube with acicular appendages; stigmas 2. Embryo horseshoe-shaped; radicle pointing downward. Zn = 18. Two spp., E Europe and W Asia.