The Collaborative International Dictionary of English v.0.48:

Cespitose \Ces"pi*tose`\, a. [L. caespes turf.] (Bot.)
   Having the form a piece of turf, i. e., many stems from one
   rootstock or from many entangled rootstocks or roots.
   [Written also c[ae]spitose.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

cespitose
    adj 1: (of plants) growing in small dense clumps or tufts [syn:
           caespitose, cespitose, tufted]