Meaning of acanthaceous

ac•an•tha•ceous

Pronunciation: (ak"un-thā'shus), [key]
— adj.
  1. having prickly growths.
  2. belonging to the plant family Acanthaceae. Cf. acanthus family.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.