alumroot

alumroot

[al-uhm-root, -root]
noun
1.
any of several North American plants belonging to the genus Heuchera, of the saxifrage family, especially H. americana, having mottled foliage and greenish-white flowers.
2.
the root of any of these plants, used as an astringent.

Origin:
1805–15, Americanism; alum1 + root1

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World English Dictionary
alumroot (ˈæləmˌruːt)
 
n
1.  any of several North American plants of the saxifragaceous genus Heuchera, having small white, reddish, or green bell-shaped flowers and astringent roots
2.  the root of such a plant

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