| Name | Siphocampylus verticillatus var. glaber Zahlbruckner |
| Authorship | Zahlbruckner |
| Rank | Variety |
| Placed in | Siphocampylus verticillatus (Chamisso) G. Don |
| Citation | 1896 Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1895: 68. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Siphocampylus verticillatus var. glaber Zahlbruckner |
| Identification made in | [no date] (1) |