stem herbaceous, erect, branched, clothed, as well as the leaves, with short, glandular pubescence; leaves ovate-oblong, acuminate, denticulate, decurrent along the stem as broadish, distantly-toothed wings; heads on long, slender, naked pedicels, disposed in a loose panicle; invol. scales pluriseriate, the outer squarrose and minutely glandular, the inner erect, linear-acuminate, scarious; cor. of disc-fl. glabrous. 2–3 feet high, loosely branched. Lower leaves not seen; medial oblong, upper ovate, all sharply taper-pointed. Pedicels 1–1 1/2 inch long, thread-like, straight or curved. Invol. pale, all the scales very narrow.—Differs from B. alata in being green, not rusty; with shorter and less copious pubescence; broader wings to stem; acuminate leaves; and long, slender pedicels.
