Juncaginaceae

Perianth mostly of 6 segments, sometimes 2 or 4, in 2 whorls Juncaginaceae

Carpels 3 or 6, cohering at the apices only. Fruit a follicle Triglochin

Rhizomes thick, tuberous roots present. Fertile carpels 3–6 not alternating with barren ones. Basal leaf without ligule

Tubers elongated, more than 13 mm long, distributed at a distance from the rhizome on long roots. Dorsal surface of mature carpels keeled or ridged