Also found in: Thesaurus, Medical, Encyclopedia.


 (ăl′əm-ro͞ot′, -ro͝ot′)
Any of various North American perennials of the genus Heuchera having palmately lobed basal leaves and leafless stalks bearing numerous small greenish, white, or reddish flowers.

[From the use of its root as an astringent.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Plants) any of several North American plants of the saxifragaceous genus Heuchera, having small white, reddish, or green bell-shaped flowers and astringent roots
2. (Plants) the root of such a plant
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæl əmˌrut, -ˌrʊt)

any of several North American plants belonging to the genus Heuchera, of the saxifrage family, esp. H.americana, having mottled foliage, greenish-white flowers, and an astringent root.
[1805–15, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alumroot - any of several herbs of the genus Heucheraalumroot - any of several herbs of the genus Heuchera
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Heuchera, Heuchera - genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers
Heuchera americana, rock geranium - plant with basal leaves mottled with white and flowers in lax panicles on erect stems
Heuchera cylindrica, poker alumroot, poker heuchera - plant with leathery heart-shaped leaf blades clustered at base of long stalks with greenish-white flowers clustered along the upper part; western North America
coralbells, Heuchera sanguinea - perennial plant of the western United States having bright red flowers in feathery spikes; used as an ornamental
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Given American alumroot's spectacular leaves and the traditional coral bells' showy flowers, a hybrid of the two species could bring out the best in each.
We pass a dwindling waterfall, alumroot and chicory, lodgepole pine and fir.
hypomalacum), prickly ash (Zanthoxylum americanum), prairie alumroot (Heuchera richardsonii), and sedges, such as bristle-leaf sedge (Carex eburnea) and Rocky Mountain sedge (Carex saximontana), (Kaul et al.