hottonia

from The Century Dictionary.

• noun A small genus of aquatic perennial plants, of the natural order Primulaceæ; the type of the tribe Hottonieæ, with 5-parted calyx, salver-shaped corolla with short tube and 5-parted limb, and finely divided submersed leaves, and hollow, almost leafless flower-stems, with whorls of white or pale-pink flowers, with 5 included stamens.

from the GNU version of the Collaborative International Dictionary of English.

• noun A genus of aquatic herbs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun aquatic herbs