Ray flowers - Ligule yellow, to +3cm long, 1cm broad, sparse pubescent externally, glabrous internally. Flower sterile. Achene white in flower, 3.3mm long, glabrous, 3-sided. Pappus of 2 short awns to 1mm long.

Flowering - July - September.

Habitat - Low woods, thickets, open woods, prairies, wet meadows, roadsides, railroads.

Origin - Native to U.S.

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Disk flowers - Disk to 1.6cm in diameter. Corolla yellow, 5-lobed. Corolla tube to 4mm long, scabrous. Lobes 1.2mm long, acute. Style bifurcate, pubescent at apex(stigma). Stamens 5, adnate at base of corolla tube. Anthers brownish-black, 3.5mm long, connate around style. Achenes to +4mm long, glabrous. Pappus a pair of awns to 2mm long. Receptacle slightly convex. Chaff to 1cm long, white below, yellow at apex, 3-lobed at apex, with large acute central lobe and two small rounded side lobes. All lobes fimbriate.