| cascara buckthorn | (n) shrubby tree of the Pacific coast of the United States; yields cascara sagrada, Syn. bearwood, chittimwood, chittamwood, bearberry, Rhamnus purshianus |
| false buckthorn | (n) deciduous tree of southeastern United States and Mexico, Syn. black haw, Bumelia lanuginosa, chittimwood, chittamwood, shittimwood |