The ohia tree is a critical part of the ecosystem in Hawaii. As one of the first trees to colonize lava flows, it is a pioneer species. It is also a keystone of the rain forest — making up 80 ...
When some external force breaks through a tree ... here. Ohia lehua (Metrosideros polymorpha) flower and buds are shown. — FOREST AND KIM STARR photo The study on Hawaii island found that ...