| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rhododendron mucronatum | Honolulu, Niu area, Oka Nursery and Landscaping, 445 Halaki Street | Preserved_Specimen | Sparingly-branched shrubs with branches erect or ascending. Plants 0.4 to 1.0 m tall . Flowers white with rose pink to crimson streaks. Grown in pots under shade cloth. | Lau, J. | 1941 | Oahu | BISH | 1986-02-03 | |
| 2 | Rhododendron mucronatum | University of Hawaii, Manoa campus, in Japanese Garden, between Jefferson Hall and the tea house. | Preserved_Specimen | Cultivated shrub, about 3' tall; corolla, filaments, and style purple; corolla has darker purple spots on proximal parts of the upper 3 petals. | Herbst, D.R. | 9747 | Oahu | BISH | 1995-12-10 | |
| 3 | Rhododendron mucronatum | Honolulu; University of Hawaii Manoa Campus, in Japanese Garden between Jefferson Hall & the tea house | Preserved_Specimen | Shrub ca. 4' tall; flws white w/purple markings. | Herbst, D.R. | 9746 | Oahu | BISH | 1995-12-10 |