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 ...

Tree topple: Acacia confusa trees were planted on roadside slopes across Hong Kong in the 1950s and '60s but are dying fast, posing safety risks. Declining health: Baptist University College of ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...