This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
[Bigelowia DC. Mem. Comp. pl. 5. 1833. Not Bigelovia Spreng. 1821.] Perennial stiff herbs, with alternate entire leaves, and corymbose-paniculate discoid heads of yellow flowers. • Involucre oblong or campanulate, its bracts rigid and glutinous, imbricated in several series. Receptacle flat, generally foveolate, naked. Corolla regular, tubular, the limb 5-cleft. Anthers obtuse at the base. Style-branches flattened, their appendages lanceolate. Achenes oblong, somewhat compressed, 1-2-ribbed on each side. Pappus of 1 or 2 series of numerous capillary unequal bristles. [Greek, cartilage-bearing.] Two species, native of eastern North America, the following typical.
Chrysocoma nudata Michx. Fl. Bor. Am. 2: 101. 1803.
Bigelowia nudata DC. Prodr. 5: 329. 1836.
Glabrous, erect, simple, 1°-21/2° high. Lower and basal leaves spatulate, obtuse, or obtusish, 3'-6' long, 3"-6" wide, attenuate into a margined petiole; stem leaves distant, small, linear or subulate; heads numerous, 2"-3" high, crowded in a compound terminal corymbose cyme; involucre narrowly campanulate, acute at the base, its bracts coriaceous, appressed, linear-oblong, imbricated in 3 or 4 series, the outer much smaller than the inner; achenes short-turbinate; pappus-bristles rigid; edges of the depressions in the receptacle prolonged into subulate teeth.
In moist pine-barrens, New Jersey ( ?) to Florida and Texas. Aug.-Oct.
Chondrophora virgata (Nutt.) Greene, with narrowly linear basal leaves, or some of them linear-spatulate, though originally cited by Nuttall as from New Jersey, is not definitely known from north of North Carolina.