I was incorrect in saying that the variegated Manihot was not Esculentus. In fact, it is called Manihot Esculentus var. 'Varegata'. Here is picture that I found in my achives from the internet several years ago:
Here are some sources for different varieties of Manihot, including the smaller hardier M. Grahamii:
Page Title (Sells cuttings, a little spendy but best bet for mailing)
Shrubs and trees M-Z Guava Macadamia (This Vendor might ship to you. You need to email her and find out. She has the eBay ad in the following link.)
Tapioca Tree, MANIHOT plant - eBay (item 110241014828 end time Apr-13-08 17:32:26 PDT)
Sale List
http://arboretum.sfasu.edu/events/20...gPlantList.pdf
This one says they are not a Mail Order company, but states that they will do limited shipping:
Welcome to Caldwell Nursery - Bamboo for Texas, Tropicals, Rare, Interesting, Beautiful Plants
This company has the Varegata on sale on eBay from time to time, but do not have them as of now. You can email them to ask when they will have them again:
Wellspring Gardens Home Page
I have ordered from this company before. They list Manihot in their general catalog, but not in their 2007 mail order catalog. You will note on the lower left corner of the opening page is a photo of Manihot leaves.
Cistus Nursery Mail Order