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 ...

We tested whether variation in growth of native koa (Acacia koa) forest along a rainfall gradient was attributable to differences in leaf area index (LAI) or to differences in physiological ...

U.S. Forest Service scientists with the Institute of Pacific Islands Forestry have completed a study on ways to make high-value koa trees grow faster, while increasing biodiversity, carbon ...

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 ...