Coarse herb, to 1.5 m tall, usually aquatic; culms triangular. Leaves linear, to 1 m long, l-2 cm wide, the midrib scabrous on the underside, the margins scabrous. Dense corymbs arising from each of the upper leaves, to 12 cm long, the bracts caudate-acuminate, the upper flowers staminate, the lower flowers bisexual; spikelets numerous, brown at maturity, 7 mm long, containing a single achene; scales thin, brown, glabrous, the keel green; stamens 3; style bifid. Achenes 2-3 mm long, obovate, brown, with corky conic beak, the bristles exceeding achene. Croat 13981.
Bocas Species Database
Characteristics: Hierba semia-cuática de 90 cm. Espigas café-doradas. 90 cm Semi-finished Cuatic grass. Golden-brown spikes. Espiguillas ferrugíneas. Aquenio con el rostrum blancuzco, sulcado. Común en áreas inundadas. Spikelets iron. Achene with rostrum whitish, sulcate. Common in flooded areas.