a large shrub; branches striate, terete, roughly hispid, the upper ones herbaceous, panicled at summit; leaves stem-clasping and often adnate-subdecurrent at base, oblong, or fiddle-shaped, obtuse or acute, the smaller often obovate, sharply and unequally toothed, scabrous above, more or less cobwebbed, and netted-veined beneath, harsh to the touch; corymb much branched, its divisions closely many-headed, pedicels scaly; heads radiate, 20–30-fl.; rays 5–6, yellow; inv. calycled, glabrous, of many narrow scales; achenes striate, hispidulous. 8–12 ft. high, much branched, scabrous and rough to the touch in most parts. Leaves 2–3 inches long, 1–2 in. wide, variable in shape and pubescence, sometimes almost woolly beneath. Infl. very compound, the heads small; inv. 1 1/2–2 lines long.
