previous arrow
next arrow

Genus :


Family :


Species of this Genus


Perennial, aquatic, scapigerous herbs, glabrous, with tuberous rhizomes. Leaves long, elliptic-lanceolate, ovate or ovate-cordate, petiole thick, scape short, radical, sheathing at base. Inflorescence of an umbel, supported by an involucre of bracts. Perianth 6, imbricate, outer 3 herbaceous, persistent, inner 3 bright yellow and deciduous. Stamens up to 29, included in sepals. Fruit of follicles, whorled or slightly connate, hemispherical, membranous, laterally flattened, dehiscent in dorsal suture. Seeds oblong, subquadrate, numerous.