The Collaborative International Dictionary of English v.0.48:

Purpuriparous \Pur`pu*rip"a*rous\, a. [L. purpura purple +
   parere to produce.] (Biol.)
   Producing, or connected with, a purple-colored secretion; as,
   the purpuriparous gland of certain gastropods.
   [1913 Webster]