Chromolaena odorata

(Linnaeus) R. M. King & H. Robinson

Phytologia 20: 204. 1970.

Common names: Crucita
Basionym: Eupatorium odoratum Linnaeus Syst. Nat. ed. 10, 2: 1205. 1759
Synonyms: Osmia odorata (Linnaeus) Schultz-Bipontinus
Treatment appears in FNA Volume 21. Treatment on page 545. Mentioned on page 544.
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Perennials or subshrubs, mostly 80–250 cm. Stems erect or sprawling to subscandent, hispidulous to coarsely short-pilose. Petioles 5–20 mm. Leaf-blades (3-nerved) narrowly lanceolate to deltate-lanceolate or ovatelanceolate, 3–10 × 1–4 cm, margins coarsely dentate to subentire. Heads usually 5–50+ in (terminal or lateral) corymbiform arrays. Involucres cylindric, (7–) 8–10 mm. Phyllaries in 4–6 (–8) series, apices of the inner appressed, rounded to truncate (sometimes slightly white-petaloid or expanded). Corollas purplish to light blue to nearly white or slightly pinkish. 2n = 40, 60, 70.


Phenology: Flowering mostly Oct–Dec, sometimes year round.
Habitat: Hammocks, thickets, pinelands, cypress-slash pine flats, canal banks, disturbed sites
Elevation: 0–30 m

Distribution

V21-1384-distribution-map.gif

Fla., Tex., Mexico, West Indies

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Chromolaena odorata"
70 +, 60 +  and 40 +
not tailed +, truncate +, rounded +  and obtuse +
rounded;truncate +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
indeterminate +  and determinate +
Guy L. Nesom +
(Linnaeus) R. M. King & H. Robinson +
decurrent +
not enlarged +
Eupatorium odoratum +
dissected +, lobed +, toothed +  and entire +
mostly deltate;ovate +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
linear;linear-clavate +
Crucita +
purplish +  and light blue +
scabrellous +
prismatic +
fertile +  and bisexual +
Fla. +, Tex. +, Mexico +  and West Indies +
0–30 m +
puberulent +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Hammocks, thickets, pinelands, cypress-slash pine flats, canal banks, disturbed sites +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
narrowly lanceolate;deltate-lanceolate or ovatelanceolate +
sessile +  and petiolate +
lanceolate +  and lance-linear +
coarsely dentate +  and subentire +
2-carpellate +
persistent +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering mostly Oct–Dec, sometimes year round. +
18 +  and 65 +
epaleate +  and paleate +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
sprawling to subscandent +  and erect +
hispidulous +  and coarsely short-pilose +
appendaged +  and truncate +
hirsutulous +
papillate +
Osmia odorata +
Chromolaena odorata +
Chromolaena +
species +
cylindric +
80 cm800 mm <br />0.8 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +