Family: Araliaceae
High Risk Traits:
- Naturalized and invasive in Hawaii, Florida, and Fiji
- Naturalized across the Hawaiian Islands (Kaua'i, O'ahu, Moloka'i, Lana'i, Maui, and Hawai'i)
- Invades intact, undisturbed forests
- Forms dense, shady thickets
- Shade-tolerant, colonizes forest understories
- Bird-dispersed fleshy fruits
- Prolific seed production
- Fast-growing; reaches maturity in ~3 years
- Resprouts after cutting
- Tolerant of wide soil types
- Host to plant pathogens (e.g., Alternaria panax)
- Aggressive, spreading root system
Low Risk Traits:
- Lacks spines, thorns, or burrs
- No persistent seed bank (seeds germinate readily)
- Controllable with herbicides (Imazapyr, Glyphosate, Triclopyr)
