单词 | alum root |
释义 | ˈalum root A name given to the astringent roots of various plants.
1818Nuttall Gen. N. Amer. Plants I. 174 Heuchera, Allum-root. 1830Lindley Nat. Syst. Bot. 140 The root of Geranium maculatum is considered a valuable astringent in North America, where it is sometimes called Alum root. 1866Treas. Bot. 588 The root of Heuchera americana is so astringent that it is called Alum root. |

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