Phacelia inconspicua
Obscure Phacelia; Obscure Scorpion-plant

Illustration by Robin A. Jess. Reprinted with permission from Intermountain Flora: Vascular plants of the Intermountain West, U.S.A., by A. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal, and P. K. Holmgren, Vol. 4, p. 183, copyright 1984, The New York Botanical Garden.