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Genus :


Family :


Species of this Genus


Stout, spinous, aquatic or marsh herbs, rootstock branched. Leaves hastate, entire or pedately pinnatifid, long-petioled, petiole and leaf nerves beneath prickly. Inflorescence solitary in leaf-axils, peduncle elongate, spiny. Spathe very long, fleshy, dark purple, twisted, base convolute, deciduous. Spadix short, sessile, cylindric, dense-flowered. Flowers bisexual, perigoniate, tepals 4-6, free, obovate, tips truncate, incurved. Stamens 4-6, filaments short, flat, slits extrorse. Ovary 1-celled, 1-ovuled, anatropous or semi-anatropous, style stout, stigma depressed. Fruit berry, obpyramidal, 6-sided, top warted or muricate. Seed rugose, compressed.