Difference between revisions of "Chromolaena ivifolia"
Phytologia 20: 202. 1970.
Common names: Ivy-leaf false thoroughwort
Basionym: Eupatorium ivifolium Linnaeus Syst. Nat. ed. 10, 2: 1205. 1759 (as ivaefoliu)
Synonyms: Osmia ivifolia (Linnaeus) Schultz-Bipontinus
Treatment appears in FNA Volume 21. Treatment on page 544.
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|name=Eupatorium ivifolium | |name=Eupatorium ivifolium | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |publication_title=Syst. Nat. ed. | ||
| + | |publication_place=10, 2: 1205. 1759 (as ivaefoliu) | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1970 | |publication year=1970 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_1382.xml |
|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Chromolaena | |genus=Chromolaena | ||
Revision as of 18:47, 24 September 2019
Perennials or subshrubs, 50–150 cm. Stems erect, hispidulous to coarsely short-pilose. Petioles 0 or 0.5–1(–3) mm. Leaf blades linear-lanceolate to elliptic-lanceolate, 1.5–7 × 0.4–1.2 cm, margins denticulate to subentire. Heads usually 5–50+ in (terminal or lateral) corymbiform arrays. Involucres cylindric to campanulate, 5–6 mm. Phyllaries in (3–)4–5 series, apices of the inner ± spreading (pinkish purple, hyaline, petaloid, slightly expanded, truncate). Corollas light blue to purplish or reddish. 2n = 50.
Phenology: Flowering Aug–Nov.
Habitat: Open woods, edges of fields and woods, roadsides, fencerows, ditches, other disturbed sites, flood plains, bottomlands, along streams
Elevation: 0–50 m
Distribution
Fla., La., Miss., Tex., Mexico, West Indies, Central America, South America.
Discussion
Selected References
None.
Lower Taxa
None.