Cosmos sulphureus

Cavanilles

Icon. 1: 56, plate 79. 1791.

Introduced
Treatment appears in FNA Volume 21. Treatment on page 205. Mentioned on page 203.

Plants 30–200 cm, glabrous or sparsely pilose to hispid. Leaves: petioles 1–7 cm; blades 5–12 (–25) cm, ultimate lobes 2–5 mm wide, margins sparsely spinulose-ciliate, apices apiculate. Peduncles 10–20 cm. Calyculi of spreading-ascending, linear-subulate bractlets 5–7 (–10) mm, apices acute; Involucres 6–10 mm diam. Phyllaries erect, oblong-lanceolate, 9–13 (–18) mm, apices acute to rounded-obtuse. Ray corollas intensely yellow to red-orange, laminae obovate, 18–30 mm, apices ± truncate, denticulate. Disc corollas 6–7 mm. Cypselae 15–30 mm, usually hispidulous, rarely glabrous; pappi 0, or of 2–3 widely divergent awns 1–7 mm. 2n = 24, 48.


Phenology: Flowering summer–fall.
Habitat: Disturbed sites
Elevation: 0–1000 m

Distribution

V21-504-distribution-map.gif

Introduced; Ala., Ark., Calif., Conn., Del., Fla., Ga., Ill., La., Md., Mich., Mo., N.Y., N.C., Okla., Pa., S.C., Tenn., Tex., Va., Mexico, also in West Indies, Central America, South America, Asia, Africa, Pacific Islands

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Cosmos sulphureus"
not tailed +, rounded +  and obtuse +
dark +  and pale +
truncate +  and apiculate +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Robert W. Kiger +
Cavanilles +
smooth +  and ciliate or barbed +
2 +  and 3 +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
decurrent +
compound +  and simple +
12 cm120 mm <br />0.12 m <br /> (25 cm250 mm <br />0.25 m <br />) +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
spreading-ascending +
linear-subulate +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
barbellulate +  and barbellate +
yellow +, white +  and pink or purple or yellow +
glabrous +  and hispidulous +
fusiform +  and quadrangular-cylindric +
fertile +  and bisexual +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
fertile +  and bisexual +
Ala. +, Ark. +, Calif. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, La. +, Md. +, Mich. +, Mo. +, N.Y. +, N.C. +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. +, Mexico +, also in West Indies +, Central America +, South America +, Asia +, Africa +  and Pacific Islands +
0–1000 m +
setose +, hispid +, glabrous +, puberulent +  and glabrate +
papillate +  and scabridulous +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Disturbed sites +
discoid +  and radiate +
in corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
subhemispheric;hemispheric +
1.8 cm18 mm <br />0.018 m <br /> (3 cm30 mm <br />0.03 m <br />) +
sessile +  and petiolate +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
concave-convex;flat;linear +
persistent +
of 1-2 , smooth to ciliate or barbed awns or scales +  and coroniform +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Flowering summer–fall. +
1.3 cm13 mm <br />0.013 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
sterile +  and fertile +
intensely yellow +  and red-orange +
bearing subulate enations +, hairy +  and bristly +
mostly flat;convex +
exalbuminous +
Introduced +
ascending +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Cosmos sulphureus +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
toothed +  and entire +
30 cm300 mm <br />0.3 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
sparsely pilose +  and hispid +