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.

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 ovate-lanceolate, 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.

... more about "Chromolaena odorata"
Guy L. Nesom +
(Linnaeus) R. M. King & H. Robinson +
Eupatorium odoratum +
Crucita +
Fla. +, Tex. +, Mexico +  and West Indies. +
0–30 m +
Hammocks, thickets, pinelands, cypress-slash pine flats, canal banks, disturbed sites +
Flowering mostly Oct–Dec, sometimes year round. +
Osmia odorata +
Chromolaena odorata +
Chromolaena +
species +