"Stoloniferous herbs, stolen covered with brown scales. Leaves to 3.5 x 0.5 cm. Umbels terminal, rays usually 9; bracts 4-8, 5-25 cm long; spikelets one flowered, deciduous above the 2 basal glumes, leaving a knob; basal glumes 1 and 0.75 mm, distichous, nut bearing glumes 3 mm, one nerved; stamens 3; ovary 1 mm, ovoid. Nut 2 mm, brown."