Emergent aquatic perennial herb with roots often ending in tubers. Leaves straplike, usually floating on the water surface, they may be up to 2 m long and 3 cm wide. Flower spike emergent, small and greenish. Carpels 6, fertile. Sometimes used in both cold and tropical aquaria.

T. striatum Ruiz &Pav., Streaked Arrowgrass, from Australia, New Zealand, N & S America may be used for revegetation of saline soils in coastal parks and gardens; the leaves do not float.This is possibly the most suitable species for use in aquaria.

Australia and Malesia.

Source: Spencer, R. (2005). Juncaginaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.