Coreopsis major

Walter

Fl. Carol., 214. 1788.

Endemic
Synonyms: Coreopsis major var. rigida (Nuttall) F. E. Boynton Coreopsis major var. stellata (Nuttall) B. L. Robinson
Treatment appears in FNA Volume 21. Treatment on page 192. Mentioned on page 191.

Perennials, 30–90 cm. Internodes (± mid-stem) 5–11 cm. Leaves: petioles 0–1 mm; blades simple or 3-foliolate, simple blades or leaflets ± lance-elliptic to narrowly lanceolate, 25–55 (–100+) × (4–) 6–15 (–30+) mm (seldom lobed). Peduncles 2–6+ cm. Calyculi of 7–8 oblong to linear bractlets 3–6 mm. Phyllaries 8, lance-oblong to lanceovate, 6–8 mm. Ray laminae 12–30+ mm. Disc-florets 40–80+; corollas yellow (often drying blackish to purplish), 6–7 mm. Cypselae obovate to oblong, 4–5 mm. 2n = 26, 78, 104.


Phenology: Flowering May–Aug.
Habitat: Oak barrens, road clearings, wooded bottoms
Elevation: 300–800 m

Distribution

V21-468-distribution-map.gif

Ala., Fla., Ga., Ind., Ky., La., Mass., Miss., N.Y., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Coreopsis major"
104 +, 78 +  and 26 +
not tailed +, rounded +  and obtuse +
dark +  and pale +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
Walter +
smooth +  and ciliate or barbed +
1 +  and 2 +
decurrent +
simple +  and 3-foliolate +
5.5 cm55 mm <br />0.055 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
less lance-elliptic;narrowly lanceolate +
6mm;15mm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
oblong;linear +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
barbellulate +  and barbellate +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
winged +  and thin-margined +
obovate +  and oblong +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Fla. +, Ga. +, Ind. +, Ky. +, La. +, Mass. +, Miss. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
300–800 m +
more or less papillate +  and tuberculate +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Oak barrens, road clearings, wooded bottoms +
discoid +  and radiate +
in open , more or less corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
5 cm50 mm <br />0.05 m <br /> (11 cm110 mm <br />0.11 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
less globose;cylindric +
less oblongelliptic +  and suborbiculate +
broadest +
sessile +  and petiolate +
5.5 cm55 mm <br />0.055 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
less lance-elliptic +  and narrowly lanceolate +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
not 3-foliolate +
less deltate +  and lanceovate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
dilated;usually linear;subulate +
persistent +
of 1-2 , smooth to ciliate or barbed awns or scales +  and coroniform +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering May–Aug. +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Fl. Carol., +
fertile +  and sterile +
1.2 cm12 mm <br />0.012 m <br /> (3 cm30 mm <br />0.03 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Coreopsis major var. rigida +  and Coreopsis major var. stellata +
Coreopsis major +
Coreopsis sect. Gyrophyllum +
species +
toothed +  and entire +
30 cm300 mm <br />0.3 m <br /> (90 cm900 mm <br />0.9 m <br />) +
shrub +  and subshrub +
not ciliolate +
corky +  and chartaceous +
lobed +  and toothed +
membranous +