Stems to c. 2 mm diam., forming dense masses, greenish, densely hairy, the hairs ferruginous when young. Scale lvs 1-1.5 mm long, ± ovate, with ferruginous tomentum. Spikes simple, 5-15 mm long; fls mostly crowded, but lower fls sometimes distant, subsessile or nearly so; rachis with ferruginous tomentum. Bracts c. 1 mm long, ovate. Outer perianth segments similar to bracts; inner segments c. 2 mm long, oblong. Stamens included; outer filaments of outer whorl broadly winged. Style < stamens, hairy. Fr. 5-6 mm diam., globular, remaining greenish, tomentose. Seed flattened, striate.