| OCOTILLO | Flowering spiny shrub of Mexico and the south-western US (Fouquieria splendens) known by names including coachwhip, Jacob's staff and vine cactus (8) |
| GLORYTREE | One common name of Clerodendrum splendens - greyer lot, maybe (5,4) |
| HAWTHORN | Flowering spiny shrub |
| GORSE | Yellow-flowering spiny shrub, genus Ulex, also called furze (5) |
| APHID | Small sap-sucking insect of the order Hemiptera also known by names including plant louse, greenfly and ant cow (5) |
| OSAGEORANGE | Thorny North American tree of the mulberry family also known by names including hedge apple and bow-wood; Maclura pomifera (5,6) |
| POINSETTIA | Shrub of Mexico and Central America that is widely cultivated for its showy scarlet bracts (10) |
| BUDGERIGAR | Melopsittacus undulatus, also known by names including shell parakeet and warbling grass parakeet (10) |
| JUJUBE | Spiny shrub of the buckthorn family (6) |
| CROWNOFTHORNS | Spiny shrub of the spurge family (5,2,6) |
| CHOLLA | Spiny cactus of the genus Opuntia found in Mexico and the south-western US; from Spanish, 'head' or skull' (6) |
| GILAMONSTER | Venomous beaded lizard of Mexico and the south-western USA (4,7) |
| FRIJOL | Generic term for bean, especially in Mexico and the south-western US (6) |
| NEWMEXICO | A state of the south-western US, crossed by the Rio Grande and the Pecos River (3,6) |
| GUAYULE | Bushy shrub in the aster family of Mexico and the southwestern US; a source of latex (7) |
| PUEBLOS | Towns or villages in Latin America and the south-western US, especially native American settlements (7) |
| ANTILLES | Archipelago, comprising two distinct groups, bordered by the Caribbean Sea, the Gulf of Mexico and the Atlantic Ocean (8) |
| ROADRUNNES | Rapid ground cuckoo of Mexico and the south-west USA (10) |
| JOSHUA | ___ tree, Yucca plant of Mexico and the south-west USA (6) |
| MESCAL | Alternative name for the peyote cactus (Lophophora williamsii) of Mexico and the southwestern US (6) |
