| Name | Popowia buchananii var. trichantha Diels |
| Authorship | Diels |
| Rank | Variety |
| Placed in | Popowia buchananii Engler & Diels |
| Citation | 1936 Notizbl. Bot. Gart. Berlin-Dahlem 13: 270 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Popowia buchananii var. trichantha Diels |
| Identification made in | [no date] (1) |