Family: Zamiaceae
High Risk Traits:
- Toxic to animals and humans (seeds contain glycosides; fatal to dogs)
- Prickly leaf stalks
- Unpalatable to herbivores due to toxins
- Geophyte with underground storage organ (resprouts after fire/damage)
- Persistent seed bank (hard coat, viable >1 year)
Low Risk Traits:
- Not naturalized outside native range
- Not a weed (agricultural, environmental, or horticultural)
- No weedy congeners
- Not shade tolerant; prefers sun
- Narrow soil preference (sandy/loam/rocky)
- Requires specialist weevil pollinator (reproductive bottleneck)
- No vegetative reproduction (seeds only)
- Slow to reproduce (~4+ years to maturity)
- Large seeds; not dispersed by wind, water, or external animal attachment
- Low seed production (not prolific)
