Nothocestrum breviflorum Nothocestrum breviflorum Nothocestrum breviflorum, commonly known as smallflower aiea, is a species of tree in the nightshade family, Solanaceae, that is endemic to the island of Hawaii. It inhabits dry and mixed mesic forests at elevations of . These forests are dominated by ōhia lehua ("Metrosideros polymorpha") and koa ("Acacia koa") or lama ("Diospyros sandwicensis"), while plants associated with smallflower aiea include wiliwili ("Erythrina sandwicensis") and uhiuhi ("Caesalpinia kavaiensis"). "N. breviflorum" reaches a height of . It is threatened by habitat loss. It is federally listed as an endangered species of the United States. There are fewer than 50 individuals
Hawaiian tropical dry forests Hawaiian tropical dry forests The Hawaiian tropical dry forests are a tropical dry broadleaf forest ecoregion in the Hawaiian Islands. They cover an area of on the leeward side of the main islands and the summits of Niihau and Kahoolawe. These forests are either seasonal or sclerophyllous. Annual rainfall is less than and may be as low as ; the rainy season lasts from November to March. Dominant tree species include koa ("Acacia koa"), koaia ("A. koaia"), akoko ("Euphorbia" spp.), ōhia lehua ("Metrosideros polymorpha"), lonomea ("Sapindus oahuensis"), māmane ("Sophora chrysophylla"), loulu ("Pritchardia" spp.), lama ("Diospyros sandwicensis"), olopua ("Nestegis sandwicensis"), wiliwili