mystery vine produces tiny 'watermelons'
Sorry, no pic, but I'm hoping maybe someone has seen/heard of this before:
I have a mystery vine that's been growing in my greenhouse for seveal years. It has small squash-like leaves, up to 3-4" inches across, and bears long tendrils. It readily climbs up shrubs and into hanging plants, then hangs down out of the plants it clings to. It blooms all year (in the greenhouse, of course) with mostly 5-pointed (sometimes 4) bright orange flowers, each about 3/4" across. Hummingbirds love the flowers. The flowers are followed by fruit that looks like tiny watermelons, pale green with dark green markings (or dark green with pale green markings), but get up to an inch long, at most. The inside of the fruit stays light green. When I cut one open, it smells very sweet and melon-y/cucumber-y.