hydrophyte

[hahy-druh-fahyt]
noun
a plant that grows in water or very moist ground; an aquatic plant.

Origin:
1825–35; hydro-1 + -phyte

hydrophytic [hahy-druh-fit-ik] , adjective
hydrophytism, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
hydrophyte (ˈhaɪdrəʊˌfaɪt)
 
n
a plant that grows only in water or very moist soil
 
hydrophytic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
hydrophyte  [%PREMIUM_LINK%]     (hī'drə-fīt')  Pronunciation Key 
A plant that grows wholly or partly submerged in water. Because they have less need to conserve water, hydrophytes often have a reduced cuticle and fewer stomata than other plants. Floating leaves have stomata only on their upper surfaces, and underwater leaves generally have no stomata at all. Because water is readily available, hydrophytes also have a reduced root system and less vascular tissue than other plants (which also makes plant parts less dense and helps them float). Hydrophytes tend to have less supportive tissue as well, since they are buoyed by water. Many species of hydrophytes (such as the Eurasian milfoil) have divided leaves that have less resistance to flowing water. The lotus, water lily, and cattail are hydrophytes. Compare mesophyte, xerophyte.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The concept of a hydrophyte for wetland identification.
Differences in animal response occur across hydrophyte zones or plant types.
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