Family: Acanthaceae
High Risk Traits:
- Suited to tropical/subtropical climates (USDA zones 10–11)
- Native to India and widely cultivated as an ornamental outside its range
- Congeneric (T. alata) is invasive in Australia
- Woody climbing vine with smothering growth habit
- Intentionally dispersed by people
- Produces viable seed; can propagate by cuttings and layering
- Subspontaneous in secondary vegetation (Mascarene Islands)
Low Risk Traits:
- No evidence of naturalization, or weed status
- No spines, toxins, allelopathy, or parasitism
- No shade tolerance; prefers full sun to part shade
- Narrow soil preference (fertile, well-drained)
- Low seed output (4 seeds per capsule)
- No evidence of herbicide tolerance or benefit from mutilation
