Family: Araceae
High Risk Traits:
- Widely cultivated ornamental, repeatedly introduced outside native range
- Naturalized in multiple regions
- Designated an invasive exotic species (Florida Category II)
- Smothering growth habit (climbing liana) displaces native species
- Forms dense stands in forests
- Shade tolerant, invades forest understory
- Tolerates wide range of soils, moisture, and pH
- Spreads vegetatively; fragments readily resprout
- Difficult to eradicate; any piece left behind can regrow
- Infestations spread via dumped garden cuttings
- Host for Phytophthora and other pathogens affecting crops
Low Risk Traits:
- Produces no viable seed in some regions (e.g., Florida)
- No evidence of persistent seed bank
