Vandals are stripping trunks in a Manoa park, possibly for hallucinogenic properties. The bark of Acacia confusa, an invasive species from Southeast Asia, also is rich in tannins, used in textile dyes ...

Koa (Acacia koa) is a legume tree native to Hawaii. It is found on all the big islands and grows from near sea-level to the tops of the mountains, although it prefers the moist sites between 3,000 to ...