Bull. Jard. Bot. Brux. 22: 316 (1952).- Type: Léonard 1798, Zaire (holo- BR; iso- K).
Regional litterature: Gram. Cameroun: 254, fig. 54 (1992); Pl. Sudan & S Sudan: 137 (2015).
Description:
* Aquatic perennial, rooting at the lower nodes and forming floating mats of several square meters, elevating up to 10-15 cm high. Culms spongious ; nodes pubescent. Leaves lanceolate, 5-8 cm long and 3-7 mm wide ; sheaths swollen ; ligules membranous, 0.5 mm long, shortly cilaiate.
* Inflorescence ovate to pyramidal, scarcely spreading, with more than 10 racemes along a cental axis of 2-6 cm long. Basal racemes up to 4 cm long.
* Spikelets lanceolate, muticous, 7-9 mm long. Glumes different, the lower glume small, the upper as long as the spikelet, 7-9=nerved. Lower lemma ressembling the upper glume; upper lemma 4-5 mm long, lanceolate, coriaceous, margins enrolled, hairy on the tip.
Distribution West Africa: Cameroon, CAR, South Sudan.
Distribution world-wide: DRC.