| Rating | Solver | Clue |
|---|---|---|
| BURHS | Prickly plants | |
| CACTI | Prickly plants | |
| CACTUS | Prickly plants | |
| OPUNTIA | A genus of cactaceous plants; the prickly pear, or Indian fig. | |
| ACANTHUS | A genus of herbaceous prickly plants, found in the south of Europe, Asia Minor, and India; bear's-breech. | |
| CACTACEOUS | Belonging to, or like, the family of plants of which the prickly pear is a common example. | |
| THISTLE | Any one of several prickly composite plants, especially those of the genera Cnicus, Craduus, and Onopordon. The name is often also applied to other prickly plants. | |
| BEGGAR'S LICE | The prickly fruit or seed of certain plants (as some species of Echinospermum and Cynoglossum) which cling to the clothing of those who brush by them. | |
| SMILAX | A genus of perennial climbing plants, usually with a prickly woody stem; green brier, or cat brier. The rootstocks of certain species are the source of the medicine called sarsaparilla. | |
| BURR | Any rough or prickly envelope of the seeds of plants, whether a pericarp, a persistent calyx, or an involucre, as of the chestnut and burdock. Also, any weed which bears burs. | |