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Hawaii's Most Invasive Horticultural Plants |
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Hawaii's Most Invasive Horticultural Plants |
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1-mc.jpg ) (Photo credit: Michelle Clapper/USGS-BRD/UH) |
5-kb.jpg ) (Photo credit: Kealii Bio/USGS-BRD/UH) |
| Other names: | waiawi-'ula'ula |
| Description: | Small tree up to 20' tall, with 1.5-5" dark, aromatic leaves, smooth mottled bark, 1/2" white flowers, and 1" red or yellow fruits filled with hard seeds. |
| Risk areas: | Moist and wet forests and open areas, from sea level to 4000 ft. elevation. |
| WARNING: | Strawberry guava and yellow guava are among the worst pest plants in Hawaii and on other tropical islands. Close relatives could likely become a problem too, if planted. |