Leaf apices acuminate. Forming flowers and fruit. Plants monoecious, or dioecious, or bisexual. Flag leaf sheaths not inflated. Flowers in inflorescences.
Pedicels smooth, or scabrous.
Terminal spike staminate at the base, or wholly staminate, or staminate at the apex, or with both sexes in each floret, or pistillate. Cladoprophyll present at the base of the peduncle of lateral spikes, or absent. Inflorescence without involucral bracts. Staminate flowers inconspicuous, or conspicuous. Floral bracts ovate, or lanceolate, or obovate.