Cosmos caudatus

Kunth

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 introduced in Asia, Pacific Islands.

Discussion

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

Lower Taxa

None.
... more about "Cosmos caudatus"
Robert W. Kiger +
Fla. +, Mexico +, West Indies +, Central America +, South America +, also introduced in Asia +  and Pacific Islands. +
0–10 m +
Disturbed sites +
Flowering summer–fall. +
in A. von Humboldt et al., Nov. Gen. Sp. +
1818 +  and 1820 +
melchert1990a +
Introduced +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Cosmos caudatus +
species +