(also alum root)
Definition of alumroot in English:
nounchiefly North American
A heuchera, especially the green-flowered H. americana and the white-flowered H. parvifolia.
- Heuchera americana, or alum root, is adaptable to sun or shade, given sufficient moisture.
- The amount of alum root in such compounds is 1 ounce.
- It was called Alum Root Flower because its roots shared the astringent qualities of species of true alum root.
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