The Collaborative International Dictionary of English v.0.48:

Ramose \Ra*mose"\ (r[.a]*m[=o]s"), a. [L. ramosus, from ramus a
   branch.]
   Branched, as the stem or root of a plant; having lateral
   divisions; consisting of, or having, branches; full of
   branches; ramifying; branching; branchy.
   [1913 Webster]

WordNet (r) 3.0 (2006):

ramose
    adj 1: having branches [syn: branched, branching, ramose,
           ramous, ramate]