bitter bark

noun10

1. •
   Any of various trees with bitter bark, some used in traditional medicine.
2. •
   A quinine bush (Alstonia constricta) of New South Wales and Queensland.

   • The mine man looked about, as if he could envisage no possibility of action among the wiregrass and shrubby bitter barks that surrounded them. — 2002
3. •
   A coast bersama (Bersama tysoniana), of Australia.
4. •
   A long-leaved bitter bark (Petalostigma triloculare), of Australia.
5. •
   A native quince (Petalostigma quadriloculare), of Australia.
6. •
   An eastern gondola bush (Tabernaemontana orientalis), of northern Australia and Malesia.
7. •
   A Georgia bark, fever tree (Pinckneya pubens), of southeastern US.
8. •
   A cascara buckthorn (Rhamnus purshiana), found from British Columbia and Idaho to central California.
9. •
   A paradise tree, any member of the species Simarouba amara or Simarouba glauca of neotropical trees,
10. •
    Any member of the species Sacoglottis gabonensis of trees of Western and Central Africa.