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Hawaii's Most Invasive Horticultural Plants |
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Hawaii's Most Invasive Horticultural Plants |
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 (Photo credit: Clifford W. Smith) |
 (Photo credit: Clifford W. Smith) |
| Description: | Erect herb or subshrub 3-6' tall, with square stems, 1-3" leaves, and 1/2" white, pink, or magenta flowers. |
| Risk areas: | Moist and wet forests and open areas. |
| WARNING: | Pearl flower belongs to the Melastome Family, many members of which have proven invasive in Hawaii and elsewhere. All members of this family should probably be avoided in horticulture. |