previous arrow
next arrow

Genus :


Family :


Species of this Genus


Submerged fresh water scapigerous herbs, stems short or elongated, stoloniferous. Leaves radical or cauline, linear or lanceolate, prominently veined, sheathed at base. Spathe sessile or pedunculate, tubular, 2-toothed.  Flowers bisexual or unisexual. Male flowers : several, sepals 3, linear, petals 3, longer, stamens 3-9, anthers narrow, pistillodes 3. Female flowers : solitary, perianth as in male, staminodes absent or minute. Ovary linear, beaked, styles 3, ovules numerous. Fruit a capsule,  enclosed in spathe. Seeds smooth or with rows of elongated spines.