This is a detailed discription of Paralepistemon shirensis
(copy and paste this on your browser)

http://plants.jstor.org/flora/flosa001110520600001#search

and this should give you a very detailed idea of what the vine and flowers looks like provided you understand the terms.The vine can get 49 feet tall and has white flowers. If you don`t know what terminal panicles are or any other terms listed then look it up and it will open your eyes to what the plant looks like even if there is no picture or plant samples available.

Click on where it says Taxon for the detailed description. This site has pictures but you must be signed in to see the larger images.

http://plants.jstor.org/search?searchText=Xenostegia+tridentata

I double checked and the links work well for me. The name of the website is JSTOR Plant Science

Good luck with your studies! Karen

P.S. Click where it says "Taxon" for the description.

Google gave me several images for the Xenostegia tridentata---interesting looking vine. Let me know if you have seeds to trade come fall!