| Properties: | |
| White to bright-yellow chips or shavings; very bitter taste. | |
| Derivation: | |
| The wood or bark of Picrasma excelsa or Quassia amara. | |
| Use: | |
| Decoction or tincture as a fly poison, surrogate for hops, medicine (anthelminthic), hair lotion, flavoring, alcohol denaturant. | |