| ELKWEED | Flowering perennial plant of the Gentian family native to the western US |
| CENTAURY | A plant of the gentian family, typically having pink flowers (8) |
| CHAMISO | An evergreen shrub with yellow-green flowers native to the western U.S. (7) |
| WILDWEST | Name given to the western USA in its 19th-century frontier period (4,4) |
| SOTOL | Yuccalike desert plants of the agave family native to the USA and new Mexico |
| QUINOA | Plant in the amaranth family, native to the Andes and widely cultivated (6) |
| DRAGONTREE | Slow-growing palm-like tree of the agave family, native to the Canary Islands |
| MUGWORT | Herbaceous perennial plant of the daisy family native to north temperate regions (7) |
| CAPSICUM | Genus of plants from the nightshade family native to the Americas, whose fruits are commonly called chilli pepper, red or green pepper, or sweet pepper in Britain |
| HYSSOP | Shrub in the mint family, native to the Middle East (6) |
| ALOE | Plant of the lily family native to South Africa |
| BAYLOBELIA | Bright blue-flowering member of the bellflower family, native to Florida (3,7) |
| HELENIUM | Genus of plants of the daisy family native to America whose species includes yellowdicks (8) |
| RUDBECKIA | Genus of plants of the daisy family native to North America that includes black-eyed Susan |
| FITCHIA | Genus of flowering plants in the sunflower family native to certain Pacific islands |
| SIDA | Plant of the mallow family, native to tropical and warm regions (4) |
| IXIA | Genus of plants of the iris family native to South Africa with ornamental sword-shaped leaves |
| ACKEE | Tree of the soapberry family native to West Africa cultivated in the Caribbean for its fruit |
| CYCLAMEN | Genus of flowering perennial plants that includes the Persian ___ and Lebanon ___ (8) |
| DAHLIA | A composite plant of the daisy family, native to Central America, noted for its showy flower heads (6) |