| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Costus productus | Koloa Dist.; Lawai Valley, Allerton Garden, cut flower garden on E side of Lawai Stream | Cultivated. | Preserved_Specimen | Rhizomatous herb; stems 40-45 cm tall; lvs bright green; infl. bracts pinkish-red, corolla orange-red. | Lorence, D.H. | 7461 | Kauai | BISH | 1994-05-16 |
| 2 | Costus productus | Waimea Botanical Garden & Arboretum | Preserved_Specimen | Plant to ca. 3.5'; bracts orangish red; flower with orange calyx becoming red at tips; labellum red; hardly exerted beyond corolla. | Kirchoff, B.K. | 91286 | Oahu | BISH | 1991-06-18 | |
| 3 | Costus productus | Koloa Dist.; Lawai Valley, National Tropical Botanical Garden. Maidenhair Falls | Preserved_Specimen | Herb w/stems of 2.5-3 ft.; lvs in upper ΒΌ of stem, dark glossy green above, glossy grey-green below; bracts scarlet, stiff, glossy; floral bract & calyx scarlet; corolla yellow-orange, labellum & stamen orange w/fringed scarlet apex. | Flynn, T.W. | 5624 | Kauai | BISH | 1994-09-23 |