Coreopsis grandiflora

Hogg ex Sweet

Brit. Fl. Gard. 2: plate 175. 1826.

Endemic
Synonyms: Coreopsis grandiflora var. harveyana (A. Gray) Sherff Coreopsis grandiflora var. longipes (Hooker) Torrey & A. Gray Coreopsis grandiflora var. saxicola (Alexander) E. B. Smith Coreopsis saxicola
Treatment appears in FNA Volume 21. Treatment on page 194. Mentioned on page 185, 193.

Perennials, 40–60+ cm. Aerial nodes proximal to first peduncle usually 6–10+, distalmost 1–3 internodes 4–7+ cm. Leaves: mostly cauline on proximal 2/3–7/8 of plant heights; petioles 0 or 10–35+ mm; blades usually 1(–2)-irregularly pinnately or ± pedately lobed with (3–)5–9+ lobes, rarely simple, simple blades or terminal lobes narrowly lanceolate to linear or filiform, 15–45(–90+) × (0.5–)2–8(–12+) mm. Peduncles 8–15(–25+) cm. Calyculi of lanceolate to linear bractlets 3.5–9+ mm. Phyllaries lance-ovate, 7–9(–12) mm. Ray laminae yellow, 12–25+ mm. Disc corollas 3.3–4.8 mm, apices yellow. Cypselae 2–3+ mm, wings spreading, ± chartaceous, entire or irregularly toothed to pectinate. 2n = 26 (+ 0–2B).


Phenology: Flowering May–Aug.
Habitat: Sandy soils, ditches and roadsides, other disturbed sites, granite and sandstone outcrops
Elevation: 30–300+ m

Distribution

V21-477-distribution-map.gif

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

Discussion

Coreopsis grandiflora var. inclinata J. R. Allison from glades in Alabama may merit recognition.

Selected References

None.

Lower Taxa

None.
... more about "Coreopsis grandiflora"
John L. Strother +
Hogg ex Sweet +
Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mich. +, Miss. +, Mo. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +  and Wis. +
30–300+ m +
Sandy soils, ditches and roadsides, other disturbed sites, granite and sandstone outcrops +
Flowering May–Aug. +
Brit. Fl. Gard. +
Coreopsis grandiflora var. harveyana +, Coreopsis grandiflora var. longipes +, Coreopsis grandiflora var. saxicola +  and Coreopsis saxicola +
Coreopsis grandiflora +
Coreopsis sect. Coreopsis +
species +