The Collaborative International Dictionary of English v.0.48:

Campylotropous \Cam`py*lot"ro*pous\, a. [Gr. ? curved + ? a
   turning.] (Bot.)
   Having the ovules and seeds so curved, or bent down upon
   themselves, that the ends of the embryo are brought close
   together.
   [1913 Webster]

WordNet (r) 3.0 (2006):

campylotropous
    adj 1: (of a plant ovule) curved with the micropyle near the
           base almost touching its stalk [ant: orthotropous]