Perennials. Leaves with acute to acuminate tips (mostly all leaves, sometimes only cauline ones). Lower bract herbaceous to membranous. Inflorescence usually nodding, less often erect (if so, then usually a ±compact single head), spike-like or paniculate, congested or interrupted at base. Seeds subglobular to ellipsoid; appendage indistinct, to 0.2 mm long or ±lacking; base fibrillate. Diploids or agmatoploids.