Barbados gooseberry (Pereskia aculeata)
- Woody shrub when young, grows into climbing, leafy cactus, with branches are up to 11m (33 ft) long
- Fragrant flowers (can be lemon, sweet, or repulsive smelling) and round yellow-red berries
- Native to the West Indies and the northern coast of South America, introduced intentionally for horticulture (as an ornamental or for its fruit)
- Forms dense, thorny thickets in low elevations, overgrows and replaces other plants
- Spread by birds and animals that eat the fruit
- Has become a major weed in South Africa where it is an escaped ornamental
- Molokai: Present if Halawa Valley. MoMISC is working to eradicate this species.
- Oahu: Known from cultivation at experiment stations in Honolulu and Haleiwa. Not currently an OISC target. Landowners are asked to remove this pest and replace with a non-invasive alternate.
- Kauai, Lanai, Kahoolawe, Big Island: presence/absence unknown.