A. junceus - Color, pale violet, sometimes reddish or white. Leaves, linear, very narrow, and 3 to 6 inches long, entire or a few teeth on the lower, rough along margins, sessile, often heart-shaped at base and clasping the stem, I-nerved. Stem, slender, simple, or with a few branches, 1 to 3 feet high. Heads of flowers, of medium size, in panicles, terminating the upper branches. June to September.
(Sec page 360)