| desert paintbrush | (n) most common paintbrush of western United States dry lands; having erect stems ending in dense spikes of bright orange to red flowers, Syn. Castilleja chromosa |
| giant red paintbrush | (n) wildflower of western North America having ragged clusters of crimson or scarlet flowers, Syn. Castilleja miniata |
| great plains paintbrush | (n) hairy plant with pinkish flowers; Great Plains to northern Mexico, Syn. Castilleja sessiliflora |
| indian paintbrush | (n) any of various plants of the genus Castilleja having dense spikes of hooded flowers with brightly colored bracts, Syn. painted cup |
| paintbrush | (n) a brush used as an applicator (to apply paint) |
| sulfur paintbrush | (n) plant of moist highland meadows having ragged clusters of pale yellow flowers, Syn. Castilleja sulphurea |
| butterfly weed | (n) erect perennial of eastern and southern United States having showy orange flowers, Syn. tuber root, Indian paintbrush, Asclepias tuberosa, pleurisy root, chigger flower, chiggerflower, orange milkweed |
