The Collaborative International Dictionary of English v.0.48:

lawyerbush \lawyerbush\ n.
   A stout-stemmed trailing shrub (Rubus cissoides) of New
   Zealand that scrambles over other growth.

   Syn: lawyer bush, bush lawyer, Rubus cissoides, Rubus
        australis.
        [WordNet 1.5] Lawyerlike

WordNet (r) 3.0 (2006):

Rubus cissoides
    n 1: stout-stemmed trailing shrub of New Zealand that scrambles
         over other growth [syn: lawyerbush, lawyer bush, bush
         lawyer, Rubus cissoides, Rubus australis]