| Answer | Crossword Clue |
|---|---|
| boojum | a spiny desert tree |
| boojums | BOOJUM, a spiny desert tree |
| boojum | a tall spiny long-lived desert tree (Fouquieria columnaris syn. Idria columnaris) native to northwestern Mexico and related to the ocotillo |
| paloverde | (Spanish) a desert shrub with spiny, yellow flowers |
| paloverdes | PALOVERDE, (Spanish) a desert shrub with spiny, yellow flowers |
| ocotillo | A spiny, scarlet-flowered desert shrub of the southwestern US and Mexico, sometimes planted as a hedge |
