The Navajos combined this shrub and green gentian to make a medicine applied internally or externally, for "alarm and nervousness".
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The caterpillars of Erynnis pacuvius, the buckthorn duskywing, feed on this plant and other species of Ceanothus.
Ceanothus | Ceanothus leucodermis | Ceanothus spinosus | Ceanothus cyaneus |