| sand devil's claw | (n) alternatively placed in genus Martynia, Syn. Martynia arenaria, Proboscidea arenaria |
| common unicorn plant | (n) annual of southern United States to Mexico having large whitish or yellowish flowers mottled with purple and a long curving beak, Syn. common devil's claw, ram's horn, devil's claw, Proboscidea louisianica, elephant-tusk, proboscis flower |