Verbesina alternifolia

(Linnaeus) Britton ex Kearney

Bull. Torrey Bot. Club 20: 485. 1893.

Endemic
Basionym: Coreopsis alternifolia Linnaeus Sp. Pl. 2: 909. 1753
Treatment appears in FNA Volume 21. Treatment on page 108. Mentioned on page 107, 109.

Plants (30–)100–200+ cm (perennating bases ± erect or horizontal rhizomes, internodes winged, at least proximal). Leaves all or mostly alternate (proximal sometimes opposite); blades lance-elliptic or lanceolate to lance-linear, 10–25+ × 2–8+ cm, bases narrowly cuneate, margins coarsely toothed to subentire, apices attenuate, faces scabrellous. Heads (3–)8–25(–50+) in corymbiform to paniculiform arrays. Involucres ± saucerlike, 10–12+ mm diam. Phyllaries 8–12+ in 1(–2) series, ± spreading to reflexed, spatulate or lance-linear to linear, 3–8+ mm. Ray florets (2–)6–8+; laminae 15–25+ mm. Disc florets 40–60+; corollas yellow. Cypselae dark brown to black, oblanceolate to ± orbiculate, 4.5–5 mm, faces sparsely hirtellous to glabrate; pappi 1.5–2 mm. 2n = 68.


Phenology: Flowering Aug–Oct.
Habitat: Alluvial flats, along streams, woodlands
Elevation: 10–600 m

Distribution

V21-257-distribution-map.gif

Ont., Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mich., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., W.Va., Wis.

Discussion

Verbesina alternifolia may be no longer present in Delaware.

Selected References

None.

Lower Taxa

None.
... more about "Verbesina alternifolia"
John L. Strother +
(Linnaeus) Britton ex Kearney +
Coreopsis alternifolia +
Ont. +, Ala. +, Ark. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mich. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +, W.Va. +  and Wis. +
10–600 m +
Alluvial flats, along streams, woodlands +
Flowering Aug–Oct. +
Bull. Torrey Bot. Club +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Verbesina alternifolia +
Verbesina +
species +