Mojave Rabbitbrush

these shrubs are very prominent in the dry washes in the lower reaches of Black Canyon. They tend to be replaced by Brickellia longifolia var. multiflora as one ascends the Canyon to the east.

older stems

very old stems

fruit

spreading phyllaries with naked receptacle in center.

single series of barbed bristles arranged radially about distal end of fruit

young shoots without banding

young shoots sprouting from water and debris flow damaged plant