al·um·root

(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.

alumroot

(ˈæləmˌruːt)

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

al•um•root

(ˈæl əmˌrut, -ˌrʊt)

n.

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.]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

alumroot - any of several herbs of the genus Heuchera

alumbloom

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