Tall erect slender herb, 10 ft. high. Branches virgate, terete, striate, narrowly alate, shining, covered above with easily detached wool. Leaves elongate-linear-lanceolate, acute, sessile, decurrent, subentire, thinly and appressedly pale-tomentose or lanate beneath, scabrid and thinly lanate at length glabrate above, obscurely 3-nerved, ranging up to 4 in. long by 1/3– 1/2 in. wide. Capitula campanulate, many-flowered, 1/6– 1/5 in. long, gold-coloured, on short unequal lanate pedicels, in dense corymbose cymes 3–6 in. diameter. Scales of involucre 4–5-seriate, glabrous, yellow; innermost linear or linear-oblong, subacute or obtuse; outer elliptic-oblong, obtuse. Receptacle foveolate. hermaphrodite fl. numerous, as well as the ♀ fl. Achenes oblong, subterete, nearly glabrous.
