Family: Verbenaceae
High Risk Traits:
- Elevation range exceeds 1000 m, demonstrating environmental versatility
- Thrives in tropical climates
- Naturalized on Oahu, Maui, Hawaii and Kauai, Hawaiian Islands
- Environmental weed in mesic to wet forests
- Other Citharexylum species have become invasive
- Light-demanding, but does tolerate and invade shaded forest understory
- Forms dense thickets
- Reproduces by seeds, and roots at nodes when contacting ground
- Seeds dispersed by birds and intentionally by people
- Some herbicides may be ineffective at control
Low Risk Traits:
- Unarmed (no spines, thorns or burrs)
- Ornamental and medicinal uses
- Reportedly dioecious