The Collaborative International Dictionary of English v.0.48:

Malpighiaceous \Mal*pi`ghi*a"ceous\, a. (Bot.)
   Of, pertaining to, or resembling, a natural order of tropical
   trees and shrubs (Malpighiaceae), some of them climbing
   plants, and their stems forming many of the curious lianes of
   South American forests.
   [1913 Webster]