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. |