Actually, my P. goeldii is a "tree type" with leaves reminiscent of Schefflera leaves - very unlike most of the "tree type" Philos.
Here's a link to a picture:
http://www.aroidiaresearch.org...
This plant is growing in full sun at Fairchild Tropical Garden.
I don't have very many viners, and the ones I do have are growing in the shade of the trees they vine on. If I learn of, or remember, ones that do grow in full sun, I'll let you know!