Where can I buy a rosery vine?

A tubular bulb that sits on top of ground. Long runners a waxy oval leaves.

Where can I buy a rosery vine?
Here's a couple sources... they're selling it as an indoor plant. It's only hardy to zone 10 (tropical) and is native to South Africa:

http://www.logees.com/prodinfo.asp?numbe...

http://www.amazon.com/Rosary-Vine-Hangin...



Here's some good info on how to care for it:

http://www.tropgard.com/plant_profiles/s...



There's also something called a rosary pea, which is toxic and produces scarlet and black berries that are used for beads. It apparently grows wild in Florida. Rosary *vine* is not toxic.