What does Indian paintbrush mean?
• INDIAN PAINTBRUSH (noun) The noun INDIAN PAINTBRUSH has 2 senses: 1. erect perennial of eastern and southern United States having showy orange flowers 2. any of various plants of the genus Castilleja having dense spikes of hooded flowers with brightly colored bracts Familiarity information: INDIAN PAINTBRUSH used as a noun is rare.