Woody, climbing vine with yellow, funnel-shaped flowers that open in sunlight and close when cloudy or dark
Mature seedpods look like brown, wooden rose.
Morning-glory family
Native to Tropical America, introduced as an ornamental. First collected in the wild in 1932. Continues to spread by people as ornamental and through floral arrangements
Harm:
Fast-growing, aggressive vine that chokes and smothers plants
Grows sea level to 1400 ft.
Seeds are viable for years
Known invasive in Florida, Guam, Saipan, and Niue
In Hawaii:
Found in large amounts on Kauai, Oahu, Maui, Big Island.
Molokai: Naturalized. MoMISC is working to keep it out of Kamakou, and has controlled one population threatening this native forest.