Definition of "amentaceous" []

• Resembling or consisting of a catkin. (adjective)
• Bearing catkins. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "(_Humulus Lupulus_) not infrequently manifest this change, as do also the bracts of many amentaceous plants, _e. g._ in the male catkins of the walnut, the female catkins of the alder, [248] of some willows, [249] &c."
• "Instances of this kind may be met with in willows, hazels, alders, and other amentaceous plants."
• "The singular habit of the witch-hazel, whose blossoms open as the leaves fall, may be presumed to be familiar to all readers; and hardly less curious is the freak of the chestnut, which, almost if not quite alone among our amentaceous trees, does not put on its splendid coronation robes till late in June, and is frequently at the height of its magnificence in mid-July."