Leaf blade sagittate, entire or pinnatifid, with aculei long veins on lower surface. Spathe greenish brown to purplish, to 55 cm long and slightly twisted.
The plant is harvested from the wild for its edible leaves and various medicinal uses. It is also sometimes cultivated as a vegetable crop along the margins of ponds.
Although no specific mention has been seen for this species, it belongs to a family where most of the members contain calcium oxalate crystals.