The Collaborative International Dictionary of English v.0.48:

Calycifloral \Ca*lyc`i*flo"ral\, callyciflorous
\cal*lyc`i*flo"rous\, a. [L. calyx, -ycis, calyx + flos, floris,
   flower.] (Bot.)
   Having the petals and stamens adnate to the calyx; -- applied
   to a subclass of dicotyledonous plants in the system of the
   French botanist Candolle.
   [1913 Webster]