| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Martyniaceae | Ibicella | Yellow Unicorn-plant | |||
| Martyniaceae | Ibicella lutea | Yellow Unicorn-plant | Disturbed areas, persistent or weakly spreading after cultivation. | Native of South America. Reported for SC (J.B. Nelson, pers. comm., 2015). |  |
| Martyniaceae | Martyniaceae | Martynia Family |  | ||
| Martyniaceae | Proboscidea | Unicorn-plant | | ||
| Martyniaceae | Proboscidea louisiana ssp. louisiana | Unicorn-plant, Devil's-claw, Cow Catcher | Disturbed areas, pastures. | Native of the US Great Plains south to sc. Mexico; populations eastwards are adventive. |  |