Acacia heterophylla 1.4 million years ago. "A. heterophylla" sequences nest within those of the more diverse "A. koa", making the latter species paraphyletic. Both species are descended from an ancestral species in Australia, presumably their sister species, "Acacia melanoxylon"; the means of dispersal to Hawaii and then to Réunion (the latter trip a distance of 18,000 km) is thought to have been seed-carrying by birds such as petrels (the seeds of these species are not adapted for prolonged immersion in seawater). Both species also have very similar ecological niches, which differ from that of "A. melanoxylon". Acacia heterophylla Acacia heterophylla, the highland
Hale Koa Hotel hotel opened on October 25, 1975, with a traditional Hawaiian ceremony. A major expansion came in 1991. The hotel added a new pool, a beverage bar, and a luau garden. Later, the Maile tower was built across the lobby from the Ilima tower, bringing the total number of rooms to 818. Also constructed was an adults-only pool, a fitness center, a parking garage, and Bibas, a new café located on a porch underneath the Maile tower. There are several dining facilities on the hotel's beachfront property: Because Hale Koa Hotel is an AFRC resort, it is not open to the