waterleaf

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various North American herbaceous plants of the genus Hydrophyllum, having pinnately lobed often spotted leaves and terminal cymose clusters of white or purplish flowers.

from The Century Dictionary.

• noun Any plant of the genus Hydrophyllum (which see).
• noun Paper in the first stage of manufacture, after it has been pressed between the felts: a technical use.

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

• noun (Bot.) Any plant of the American genus Hydrophyllum, herbs having white or pale blue bell-shaped flowers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun botany Any plant of the genus Hydrophyllum.
• noun botany Any plant of Hydrophyllaceae, the waterleaf family.
• noun A tropical plant (Talinum fruticosum), the leaves of which are eaten as a vegetable.
• noun architecture A leaf-shaped decoration used on the capitals of columns in late 12th-century Romanesque architecture

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

• noun any of several plants of the genus Hydrophyllum