HABIT	TUFTED PERENNIAL, WITH VERY SHORT RHIZOME.
STEMS	CULMS TRIGONOUS, SMOOTH, 25–90 CM HIGH, 2–4 MM DIAMETER.
LEAVES	SLIGHTLY SEPTATE-NODULOSE, AS LONG AS CULMS OR SHORTER, 4–8 MM WIDE.
FLOWERS	INFLORESCENCE SIMPLE TO DECOMPOUND WITH UP TO 12 PRIMARY BRANCHES TO 12 CM LONG; DIGITATE CLUSTERS 10–50 MM DIAMETER.
FRUITS	NUT TRIQUETROUS, OBOVOID, ABOUT HALF AS LONG AS GLUME, 1–1.4 MM LONG, 0.5 MM DIAMETER, DARK BROWN TO GREYISH.