Castilleja angustifolia, Indian paintbrush

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Intermountain Flora
Perrenial herb, (1) 1.5-3.5 (4) dm tall; stems ascending to erect, rarely branched above, usually several to a cluster; herbage hispid, rarely some with fine glandular puberulence as well; leaves 2-5 (6) cm long, linear to narrowly lanceolate, with 1 (2) pair of lateral segments, the lower leaves usually entire; inflorescnece villous-hispid, pink, violet, purplish, or oange to yellow-orange or whitish in var. flavescents; bracts lanceolate with 1 or 2 pairs of lateral segments; calyx 14-23 mm long, the primary lobes more deeply cleft in back, (4) 5-9 mm, than in front, 3-7 mm, the segments (1) 1.5-4 mm long, rounded to obtuse; corolla (16) 18-27 mm long, the galea 8-13 mm long, the lower lip much reduced with incurved teeth, the tube 8-17 mm long; capsule 9-15 mm long.

Cronquist, A., Holmgren, A.H., Holmgren, N.H., Reveal, J.L., and Holmgren, P.K. (1984) "Intermountain Flora" pg. 488, vol. 4, The New York Botanical Garden New York.