Family: Cactaceae
High Risk Traits:
- Produces spines/thorns
- Tropical climate match
- Introduced repeatedly outside native range
- Tolerates wide soil range
- Produces viable seed
- Intentionally spread by people
- Bird-dispersed seeds
- Seeds survive gut passage
- Tolerates hard pruning
Low Risk Traits:
- Not naturalized elsewhere
- Not a weed (garden, agricultural, or environmental)
- Not allelopathic or parasitic
- No toxicity to animals or humans
- No fire hazard
- Not shade tolerant
- No natural hybrids
- Self-sterile (needs cross-pollination)
- Not wind or water dispersed
- Low seed production
