1) Aquatic plant 2) Hydrophyte 3) Hydrophytic plant 4) Water plant 5) Water trumpet 
Cryptocoryne (water trumpet) is a genus of aquatic monocot plants from the family Araceae (arums). The genus is naturally distributed in tropical regions of Asia and New Guinea. The typical habitats of Cryptocoryne are mostly streams and rivers with not too rapidly flowing water, in the lowland forest. They also live in seasonally inundated forest...
[n] - any plant of the genus Cryptocoryne
water trumpet noun any plant of the genus Cryptocoryne; evergreen perennials growing in fresh or brackish water; tropical Asia