Family: Rubiaceae
High Risk Traits:
- Elevation range exceeds 1000 m, demonstrating environmental versatility in tropical regions
- Thrives in tropical climates
- Naturalized on Oahu, Hawaiian Islands
- Shade-tolerant (could invade intact forest)
- Tolerates many soil types (not substrate-limited)
- Reproduces by seeds
- Reported to be self-pollinating
- Seeds dispersed by birds, water and intentionally by people
Low Risk Traits:
- Despite naturalization, no reports of negative impacts (but limited cultivation outside native range)
- Unarmed (no spines, thorns, or burrs)
- Non-toxic
- Edible fruit and ornamental uses
- Not reported to spread vegetatively
- Recalcitrant seeds may not form a persistent seed bank