stem herbaceous, erect, paniculately much branched, the branches long, leafy, glandularly setulose, one-headed; leaves cordate-clasping, oblongo-lanceolate, acute or acuminate, the uppermost narrow, sessile, concolourous, glandular and setulose on both sides, setoso-ciliate; heads terminating long, leafy branches, sessile, subtended by 2–4 lanceolate, setose leaves, very many-fl.; inv. stellate, radiating, its scales imbricating, glossy, scarious, lance-oblong, acute, golden yellow. Probably annual or biennial. Stem 1–2 f. high, pale, much branched. Leaves green, thin, glandular and viscidulous, strongly scented, not in the least woolly. Heads nearly as in H. fœtidum, to which this is allied, but from which it differs in habit, the solitary fl.-heads, and pubescence.
