Family: Araliaceae
Origin, Description & Uses
Osmoxylon novoguineense (fuzzy wrinkle, miagos bush, old man’s hand) is native to New Guinea and the Solomon Islands, where it grows in tropical forest environments. It is a distinctive ornamental shrub or small tree known for its unusual, deeply lobed and textured leaves that give it a striking, almost sculptural appearance. The plant may also produce clusters of small flowers followed by decorative fruits, adding to its visual appeal in tropical landscaping. In its native range and in cultivation, it is primarily valued as an ornamental species for botanical gardens and specialty plant collections due to its unusual foliage and tropical aesthetic.
Risks & Threats
Although Osmoxylon novoguineense is not known to be naturalized in Hawaii, it does possess traits that are cause for concern. Its adaptability to warm, wet tropical environments and its use as an ornamental plant raise the possibility that it could establish if it escapes cultivation. Species in related groups can sometimes spread beyond intended plantings in favorable conditions, particularly in disturbed or forest-edge habitats. Caution is recommended to ensure that it will not negatively impact Hawaii, and ongoing evaluation is needed to better understand its potential to naturalize or affect native ecosystems.
High Risk Traits:
- Elevation range exceeds 1000 m, demonstrating some environmental versatility
- Grows in tropical climates
- Reproduces by seeds
- Seeds likely dispersed by birds and intentionally by people
- Limited ecological information reduces 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)
- Ornamental uses
