| Name | Ptychopyxis costata Miquel |
| Authorship | Miquel |
| Rank | Species |
| Placed in | Ptychopyxis Miquel |
| Contains | Ptychopyxis costata var. oblanceolata Airy Shaw |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Ptychopyxis costata Miquel |
| Identification made in | [no date] (5) |