[2] The roots are extended rhizomes[3] and the bright green, lanceolate leaves are typically 8–20 cm long.

The species is native to Africa grows well in flooded, moist, and humid conditions and does not do well in periods of drought.

[4] Thus, it is often found on streamsides, pond margins, and in swampy places;[5] it prefers acidic soils.

[2] It has been studied in breeding programs and it has been introduced to Australia and South America for cultivation.

[4] It is grown extensively as pasture, silage, and hay.