Sericocarpus asteroides

(Linnaeus) Britton

Gen. Sp. Aster., 150. 1832.

Common names: Toothed white-topped aster
IllustratedEndemic
Basionym: Conyza asteroides Linnaeus Sp. Pl. 2: 861. 1753
Synonyms: Aster asteroides (Linnaeus) MacMillan Aster paternus Cronquist
Treatment appears in FNA Volume 20. Treatment on page 103.

Plants 14–65 cm. Stems erect, puberulent. Leaves: basal persistent at flowering, winged-petiolate, blades oblanceolate to obovate or spatulate, 20–150 mm, serrate near apices, puberulent; cauline sessile, blades narrowly to broadly ovate, 10–110 × 4–30 mm, bases cuneate, margins serrate, distal becoming entire, apices acuminate to acute, faces puberulent. Heads 2–5 per branch, in corymbiform arrays. Involucres 4–7 mm at flowering. Peduncle bracts absent. Phyllaries in 3–4 series, outer 2–4 mm, mid 3–5 mm, glabrate. Ray florets 3–7; corolla tubes 2–4 mm, laminae 2–6 mm. Disc florets 9–20; corolla tubes 3–4 mm, lobes 0.6–2 mm. Ovaries fusiform-obconic, 0.8–2 mm, densely strigose; pappi: inner series 4–5 mm. 2n = 18.


Phenology: Flowering mid summer–early fall.
Habitat: Dry sandy, clay, and shaley open soils in fields and open mixed and pine woods, road margins, eastern deciduous forest
Elevation: 0–1600 m

Distribution

V20-200-distribution-map.gif

Ala., Conn., Del., D.C., Fla., Ga., Ky., La., Maine, Md., Mass., Miss., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va.

Discussion

Collections of Sericocarpus asteroides purportedly from Indiana and Wisconsin are of questionable provenance or chance introductions.

Selected References

None.

Lower Taxa

None.
... more about "Sericocarpus asteroides"
John C. Semple +  and Michelle R. Leonard +
(Linnaeus) Britton +
Conyza asteroides +
Toothed white-topped aster +
Ala. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Miss. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +  and W.Va. +
0–1600 m +
Dry sandy, clay, and shaley open soils in fields and open mixed and pine woods, road margins, eastern deciduous forest +
Flowering mid summer–early fall. +
Gen. Sp. Aster., +
Illustrated +  and Endemic +
Aster asteroides +  and Aster paternus +
Sericocarpus asteroides +
Sericocarpus +
species +