Could be confused with
unlikely to be confused with any other genus
eastern North America
Species commonly cultivated
Orontium aquaticum L. (eastern North America)
Annual or perennial. Rhizome stout and deeply rooted. Leaves in a basal rosette; petioles elongate, sheathed basally; leaf blade elliptic, submerged, floating or emergent, venation parallel; margin entire. Inflorescence a spadix borne on an elongate peduncle; spathe reduced to base of spadix and apparently absent when mature; spadix elongate, yellow. Flowers in upper portion of spadix male, in lower portion bisexual. Berries with single seed. Dispersal by seed.
streams and shallow pools
Orontium contains only one species. It is often found in acidic swamps and coastal streams.