Dictionary.com
Thesaurus.com

monostylous

American  
[mon-uh-stahy-luhs] / ˌmɒn əˈstaɪ ləs /

adjective

Botany.
  1. having only one style.


monostylous British  
/ ˌmɒnəʊˈstaɪləs /

adjective

  1. botany having only one style

"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 monostylous

mono- + -stylous; -style 1, -ous