| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hibiscus insularis | Waimea Arboretum & Botanical Gardens, Haleiwa | Preserved_Specimen | Plant 3-4 ft. Alternate branches, all in one plane. One plant has almost all lobed leaves, the other has mostly entire leaves. | Orr, D. | 73 | Oahu | BISH | 1998-03-26 | |
| 2 | Hibiscus insularis | Lyon Arboretum; near weather station, Cottage F-4 | Preserved_Specimen | Shrub 9-10' tall, straggly growth w/very little branching, flwrs opening whitish pink & turning darker. | Hirano, R. | Oahu | BISH | 1995-01-25 | ||
| 3 | Hibiscus insularis | Lyon Arboretum; near weather station, Cottage F-4 | Preserved_Specimen | Shrub 9-10' tall, straggly growth w/very little branching, flwrs opening whitish pink & turning darker. | Hirano, R. | Oahu | BISH | 1995-01-25 | ||
| 4 | Hibiscus insularis | Koloa District: National Tropical Botanical Garden, McBryde Garden in Lawai Valley. East of pump keepers cottage, near podocarpus trees. | Cultivated. | Preserved_Specimen | Shrub 3 m tall, densely branched. Leaves matte green above, paler beneath. Calyx and epicalyx green, corolla pale greenish yellow, petals with pink blush toward base, fading dark pink; staminal column pinkish, filaments pink-white, style dark purple-red. | Lorence, D.H. | 10853 | Kauai | BISH | 2021-04-30 |