Dictionary.com
Thesaurus.com

rhizogenic

American  
[rahy-zoh-jen-ik] / ˌraɪ zoʊˈdʒɛn ɪk /
Also rhizogenous

adjective

Botany.
  1. producing roots, as certain cells.


rhizogenic British  
/ ˌraɪzəʊdʒəˈnɛtɪk, ˌraɪzəʊˈdʒɛnɪk, raɪˈzɒdʒənəs /

adjective

  1. (of cells and tissues) giving rise to roots

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of rhizogenic

First recorded in 1880–85; rhizo- + -genic