The Collaborative International Dictionary of English v.0.48:

Scandent \Scan"dent\, a. [L. scandens, -entis, p. pr. of
   scandere to climb.]
   Climbing.
   [1913 Webster]

   Note: Scandent plants may climb either by twining, as the
         hop, or by twisted leafstalks, as the clematis, or by
         tendrils, as the passion flower, or by rootlets, as the
         ivy.
         [1913 Webster]

WordNet (r) 3.0 (2006):

scandent
    adj 1: used especially of plants; having a tendency to climb;
           "plants of a creeping or scandent nature"