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 (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.]


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


(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.]
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
References in periodicals archive ?
Among seeds to sow on the surface are alumroot, Helen's flower, lobelia, wild mint, and penstemon.
Generally, these plants thrive in either full sun or partial shade, although the leaves of American alumroot and hybrids with marbled or variegated foliage will scorch in full sun in hot weather.
We pass a dwindling waterfall, alumroot and chicory, lodgepole pine and fir.