Vernonia noveboracensis

(Linnaeus) Michaux

Fl. Bor.-Amer. 2: 95. 1803.

IllustratedEndemic
Basionym: Serratula noveboracensis Linnaeus Sp. Pl. 2: 818. 1753
Synonyms: Vernonia harperi Gleason Vernonia noveboracensis var. tomentosa Britton
Treatment appears in FNA Volume 19. Treatment on page 209. Mentioned on page 207.

Plants 8–12(–20) dm. Stems puberulent, glabrescent. Leaves mostly cauline; blades ± lanceolate, 9–15(–25+) cm × 15–45(–60+) mm, l/w = (3.3–)4–6+, abaxially scabrellous, tomentose, or pannose, resin-gland-dotted, adaxially scabrellous, often resin-gland-dotted. Heads in corymbiform to paniculiform arrays. Peduncles 2–35 mm. Involucres ± hemispheric, 6–10 × 7–10 mm. Phyllaries 35–60+ in 4–6+ series, sparsely tomentulose, glabrescent, margins ciliolate, the outer lanceolate to subulate, 1–3 mm, inner oblong, 7–9+ mm, tips subulate to filiform. Florets 30–45(–65). Cypselae 3.5–4+ mm; pappi fuscous to purplish, outer scales 20, 0.2–0.6+ mm, contrasting with 30–40+, 5–7+ mm inner bristles. 2n = 34.


Phenology: Flowering Aug–Oct.
Habitat: Abandoned fields, marshes, roadsides
Elevation: 10–600 m

Distribution

V19-256-distribution-map.gif

Ala., Conn., Del., D.C., Fla., Ga., Md., Mass., N.J., N.Y., N.C., Pa., R.I., S.C., Tenn., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Vernonia noveboracensis"
John L. Strother +
(Linnaeus) Michaux +
Serratula noveboracensis +
Ala. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Md. +, Mass. +, N.J. +, N.Y. +, N.C. +, Pa. +, R.I. +, S.C. +, Tenn. +, Va. +  and W.Va. +
10–600 m +
Abandoned fields, marshes, roadsides +
Flowering Aug–Oct. +
Fl. Bor.-Amer. +
Illustrated +  and Endemic +
Vernonia harperi +  and Vernonia noveboracensis var. tomentosa +
Vernonia noveboracensis +
Vernonia +
species +