Hibiscus waimeae  Hibiscus waimeae is endemic to Kauai, occurring in two distinct and isolated populations on opposite sides of the island. Though separated by less than thirty miles, these two subspecies have evolved to have unique flower and leaf characteristics that distinguish them from one another. Because Hibiscus species hybridize readily, the unique characteristics of the two subspecies of Hibiscus waimeae are threatened by cross-pollination with non-native Hibiscus varieties that have been introduced to Kauai for ornamental use. By carefully hand-pollinating and isolating flowers of Hibiscus waimeae, conservationists are able to collect, grow, and store seeds that have not been cross-pollinated. |
