Coreopsis latifolia

Michaux

Fl. Bor.-Amer. 2: 137. 1803.

Endemic
Treatment appears in FNA Volume 21. Treatment on page 190. Mentioned on page 185.

Perennials, 90–150 cm. Leaf-blades ovate, 6–15 (–20+) × 2–10+ cm. Peduncles 1–5 (–10) cm. Calyculi of 3–8+ linear bractlets 5–8 mm. Phyllaries 5, oblong, 8–12 mm. Ray laminae 10–18 mm. Disc corollas 7–8 mm. Cypselae 7–8 mm. 2n = 26.


Phenology: Flowering Aug–Sep.
Habitat: Shaded slopes in woods
Elevation: 300–700 m

Discussion

Coreopsis latifolia is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Coreopsis latifolia"
not tailed +, rounded +  and obtuse +
dark +  and pale +
connate +  and distinct +
2-3-toothed;entire +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
Michaux +
smooth +  and ciliate or barbed +
1 +  and 2 +
decurrent +
Silphidium +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
barbellulate +  and barbellate +
pale-yellow +  and ochroleucous +
winged +  and thin-margined +
less orbiculate +  and ovate oblong or linear +
fertile +  and bisexual +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
fertile +  and bisexual +
Ga. +, N.C. +, S.C. +  and Tenn. +
300–700 m +
more or less papillate +  and tuberculate +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Shaded slopes in woods +
discoid +  and radiate +
in open , more or less corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
less globose;cylindric +
less elliptic +  and oblong +
broadest +
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
sessile +  and petiolate +
less deltate +  and lanceovate +
dentate to pinnatifid or palmatifid +  and entire +
not ciliolate +
2-carpellate +
ovate;linear or subulate +
persistent +
of 1-2 , smooth to ciliate or barbed awns or scales +  and coroniform +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering Aug–Sep. +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Fl. Bor.-Amer. +
fertile +  and sterile +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Coreopsis latifolia +
Coreopsis sect. Silphidium +
species +
toothed +  and entire +
90 cm900 mm <br />0.9 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
shrub +  and subshrub +
corky +  and chartaceous +
lobed +  and toothed +
membranous +