Cosmos caudatus

Kunth in A. von Humboldt et al.

in A. von Humboldt et al., Nov. Gen. Sp. 4(fol.): 188. 1818.

,

4(qto.): 240. 1820.

Introduced
Treatment appears in FNA Volume 21. Treatment on page 204. Mentioned on page 203, 205.

Plants 30–250 cm, glabrous or sparsely hispid. Leaves: petioles 1–7 cm; blades 10–20 cm, ultimate lobes 2–10 mm wide, margins spinulose-ciliate, apices acute, often mucronulate. Peduncles 10–30 cm. Calyculi of usually spreading, linear-subulate bractlets 6–10 mm, apices acuminate. Involucres 5–15 mm diam. Phyllaries erect, oblong-lanceolate, 7–11 mm, apices acute to obtuse. Ray corollas rose-pink to purple, laminae oblong-oblanceolate, 5–15 mm, apices obtusely 3-lobed. Disc corollas 5–6 mm. Cypselae 12–35 mm, glabrous or scabridulous proximally, setose distally; pappi of 2–3 widely divergent to reflexed awns 3–5 mm. 2n = 48.


Phenology: Flowering summer–fall.
Habitat: Disturbed sites
Elevation: 0–10 m

Distribution

V21-502-distribution-map.gif

Introduced; Fla., Mexico, West Indies, Central America, South America, also in Asia, Pacific Islands

Discussion

Within the flora area, Cosmos caudatus is found only in the Florida Keys.

Lower Taxa

None.

"broader" is not a number.

... more about "Cosmos caudatus"
not tailed +, rounded +  and obtuse +
dark +  and pale +
connate +  and distinct +
3-lobed;acute;obtuse +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Robert W. Kiger +
Kunth in A. von Humboldt et al. +
smooth +  and ciliate or barbed +
2 +  and 3 +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
decurrent +
compound +  and simple +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
linear-subulate +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
barbellulate +  and barbellate +
yellow +, white +  and pink or purple or yellow +
setose +  and glabrous +
scabridulous +
fusiform +  and quadrangular-cylindric +
fertile +  and bisexual +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
fertile +  and bisexual +
Fla. +, Mexico +, West Indies +, Central America +, South America +, also in Asia +  and Pacific Islands +
0–10 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 +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
subhemispheric;hemispheric +
oblong-oblanceolate +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 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 /> (30 cm300 mm <br />0.3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Flowering summer–fall. +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
in A. von Humboldt et al., Nov. Gen. Sp. +
1818 +  and 1820 +
sterile +  and fertile +
rose-pink +  and purple +
bearing subulate enations +, hairy +  and bristly +
mostly flat;convex +
melchert1990a +
exalbuminous +
Introduced +
ascending +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Cosmos caudatus +
species +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
toothed +  and entire +
30 cm300 mm <br />0.3 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
hispid +  and glabrous +