Bull. Jard. Bot. Brux. 22: 316 (1952); Gram. Afr. Trop. 1: 249 (1962);Gen. Gram. 281 (1986).- Type-species: Louisiella fluitans CE. Hubbard & Léonard
Description:
* Aquatic perennial with a spongy culm.
* Inflorescence of racemes along a short central axis. Spikelets paired or in short appressed racemelets.
* Spikelets lanceolate. Lower glume short, truncate; upper glume and lower lemma long acuminate. Upper lemma lanceolate, coriaceous, with a few hairs at tip.
Monotypic genus of South Sudan and DRC; floating in water or decumbent in mud.