Japan Flora: Annual herb; stems erect, 25-30 cm. long, with long internodes, short-pilose, dichotomously branched; median leaves ovate, 5-12 cm. long, 2-6 cm. wide, acute to obtuse, cuneate at base, short-toothed, strigose on both surfaces, 3-nerved, the petioles short, briefly connate at base to the opposite petiole; upper leaves smaller, 3.5-4 cm. long; inflorescence globose, in leaf-axils, the heads sessile or short-pedicelled; involucres tubular, about 7 mm. long, 5-7 mm. wide, the bracts and outer chaff oblong, obtuse; ligulate corollas yellow, 35 mm. long, about 1 mm. wide, bifid; achenes of the tubular florets 4.5 mm. long, coarsely strigose, the short- strigose awns 2-3.5 mm. long.

Honshu (Hachijo 1st). Ryukyus, Formosa, s. China, India, Indochina, Malaysia, and tropical America.