MACFADYENA UNGUS CATI
(Cat's Claw Vine)   

Tropical vigorous climber with tubular bell shaped 4 inch across bright yellow flowers from spring to summer.  Must have climbing support. Can grow 10 feet plus tall. 3 clawed tendril resembles a claw hence the common name Cat's Claw vine.
 
Hardy to zone 10 or minimum 5 degrees Celsius.

Recommended care:
Keep it well watered and in a warm, sunny location.  Do not let this plant freeze.  In Spring put outdoors after all chances of frost have gone, in fall bring indoors before all chances of frost come.