Nothocestrum breviflorum remaining. 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
Acacia koa a diameter of . Flowering may be seasonal or year round depending on the location. Fruit production occurs when a koa tree is between 5 and 30 years old. The fruit are legumes, also called pods, with a length of and a width of . Each pod contains an average of 12 seeds. The long, wide seeds are flattened ellipsoids and range from dark brown to black in color. The pods are mature and ready for propagation after turning from green to brown or black. Seeds are covered with a hard seed coat, and this allows them to remain dormant