Family: Moringaceae
Origin, Description & Uses:
Moringa ovalifolia (often called ghost tree or phantom tree) is native to southwestern Angola and northwestern to west-central Namibia, where it grows in hot, arid landscapes. It is a striking, sculptural tree known for its pale, smooth bark and sparse, upright branching that can give it a “ghostly” appearance in the dry savanna. Like other moringas, it is adapted to survive drought conditions, storing water in its trunk and thriving in well-drained, rocky soils. It is occasionally grown as an ornamental tree in dry-region landscapes for its unusual form and resilience, and it can also provide limited local use for shade and ecological restoration in arid environments.
Risks & Threats:
Moringa ovalifolia is considered a low-risk species for introduction and cultivation, as it is not known to be aggressive or invasive outside its native range. It does not typically spread rapidly or form dense stands that displace other vegetation. In suitable dry landscapes, it tends to grow slowly and remain well-behaved. While it is generally safe to plant in managed settings, care should still be taken to monitor its performance in new environments, as with any non-native ornamental species. Overall, it poses minimal threat to tropical island ecosystems and is considered a low concern for naturalization or ecological disruption.
High Risk Traits:
- Grows in tropical climates
- Other Moringa species have weedy traits and tendencies
- Has formed dense stands in native range
- Reproduces by seeds
- Rapid growth rate
- Reaches maturity in 3+ years
- Seeds dispersed by wind, gravity and intentionally by people
- Limited ecological information may limit accuracy of risk prediction
Low Risk Traits:
- No reports of invasiveness or naturalization, but no evidence of widespread introduction outside native range
- Unarmed (no spines, thorns or burrs)
- Palatable to browsing and grazing animals
- Medicinal uses
- Light demanding
- Not reported to spread vegetatively
