Habit : A small aquatic herb, stemless, with offsets, and tufted white roots.
Leaves : Variable in breadth, obovate-cuneate, rounded or retuse at apex, hairy with raphides.
Inflorescence : Spadix, adnate to the back of the spathe.
Flowers :
Spathe small, obliquely campanulate, white, closed below, contracted in the middle, dilated above.
Male flowers are in a whorl of few sessile, connate stamens below the apex of the spadix, with a whorl of minute neuters below it.
Female flowers are solitary, 1-celled ovary, oblong, 1-celled ovary obliquely adnate to the spadix, style conical, stigma discoid, ovules many on parietal placenta.
