Note the valvate nature of the petals in bud stage and the mass of withering stamens in the older inflorescence. Pithecellobium dulce, opiuma. Notice the clusters of small heads and the corkscrew-shaped legumes. Leucaena leucocephala, koa haole. Note the bipinnately compound leaves and the white flowering heads.
Legumes are also visible.
In the close-up of the flowering head, the style of each flower can be seen as a straight, white cylindrical structure that extends beyond the stamens. Mimosa pudica, sensitive plant. Note the typical flowering head with stamens dominating as the attractive component of the flowers. However, the sensitive plant is also capable of rapid movement in response to touch or application of heat. Prosopis pallida, kiawe.