Family: Asparagaceae
High Risk Traits:
- History of repeated introductions outside native range.
- Tolerates a wide range of soil conditions.
- Seeds dispersed by birds and survive gut passage.
- Capable of self-pollination.
- Intentionally planted by people.
- Produces viable seed.
Low Risk Traits:
- No evidence of naturalization or weediness.
- Not climate versatile; limited to USDA zones 9-12.
- Lacks spines, thorns, and allelopathic properties.
- Extremely slow growing (~10 years to first flowering).
- Low seed production (only 3 seeds per berry).
- No wind, water, or accidental dispersal mechanisms.
- Requires full sun; not shade tolerant.
- Reproductive failure in native range due to extinct disperser.
