| Name | Geniostoma insulare var. tongense A. C. Smith & B. C. Stone |
| Authorship | A. C. Smith & B. C. Stone |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Geniostoma insulare A. C. Smith & B. C. Stone |
| Citation | 1962 Contr. U.S. Natl. Herb. 37: 39 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Geniostoma insulare var. tongense A. C. Smith & B. C. Stone |
| Identification made in | [no date] (1) |