Indian paintbrush

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various partly parasitic plants of the genus Castilleja, having spikes of flowers surrounded by showy, brightly colored bracts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A herbaceous perennial plant of the genus Castilleja.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun erect perennial of eastern and southern United States having showy orange flowers
• noun any of various plants of the genus Castilleja having dense spikes of hooded flowers with brightly colored bracts