Difference between revisions of "Conyza bonariensis"
Bull. Torrey Bot. Club 70: 632. 1943.
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|place=70: 632. 1943 | |place=70: 632. 1943 | ||
|year=1943 | |year=1943 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
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|habitat=Disturbed sites, along roads and streets | |habitat=Disturbed sites, along roads and streets | ||
|elevation=0–500 m | |elevation=0–500 m | ||
| − | |distribution=Ala.;Ariz.;Calif.;Fla.;Ga.;La.;Miss.;N.Mex. N.C.;Oreg.;S.C.;Tex.;Utah;Va.;South America. | + | |distribution=Ala.;Ariz.;Calif.;Fla.;Ga.;La.;Miss.;N.Mex.;N.C.;Oreg.;S.C.;Tex.;Utah;Va.;South America. |
| + | |introduced=true | ||
|discussion=<p><i>Conyza bonariensis</i> is widespread in tropical and warm-temperate regions of the world. It is thought to be native to South America.</p> | |discussion=<p><i>Conyza bonariensis</i> is widespread in tropical and warm-temperate regions of the world. It is thought to be native to South America.</p> | ||
|tables= | |tables= | ||
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|habitat=Disturbed sites, along roads and streets | |habitat=Disturbed sites, along roads and streets | ||
|elevation=0–500 m | |elevation=0–500 m | ||
| − | |distribution=Ala.;Ariz.;Calif.;Fla.;Ga.;La.;Miss.;N.Mex. N.C.;Oreg.;S.C.;Tex.;Utah;Va.;South America. | + | |distribution=Ala.;Ariz.;Calif.;Fla.;Ga.;La.;Miss.;N.Mex.;N.C.;Oreg.;S.C.;Tex.;Utah;Va.;South America. |
|introduced=true | |introduced=true | ||
|reference=None | |reference=None | ||
|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year=1943 | |publication year=1943 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_804.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Conyza | |genus=Conyza | ||
Latest revision as of 20:05, 5 November 2020
Plants erect, 10–100(–150+) cm, branched mostly distally. Leaves: faces ± densely strigose or hispidulous; proximal blades oblanceolate, 30–80(–120+) × 10–25+ mm, obscurely lobed to coarsely toothed or entire; distal narrowly oblanceolate to linear, 10–50 × 2–10 mm, obscurely toothed or entire. Heads usually in paniculiform to racemiform, rarely corymbiform arrays. Involucres 3.5–5 mm. Phyllaries usually strigose or hispidulous; outer greenish to purplish, lanceolate, shorter; inner stramineous to purplish, linear-attenuate (more chartaceous to scarious, less hairy). Receptacles 3–5 mm diam. in fruit. Pistillate florets 60–150+; corollas ± equaling or surpassing styles, laminae 0 or to 0.3 mm. Disc florets 8–12+. Cypselae pale tan, 1–1.5 mm, faces glabrous or sparsely strigillose; pappi of 15–25+, pinkish, sordid, or tawny bristles 3–4+ mm. 2n = 54.
Phenology: Flowering year round, mostly late summer–fall.
Habitat: Disturbed sites, along roads and streets
Elevation: 0–500 m
Distribution
Introduced; Ala., Ariz., Calif., Fla., Ga., La., Miss., N.Mex., N.C., Oreg., S.C., Tex., Utah, Va., South America.
Discussion
Conyza bonariensis is widespread in tropical and warm-temperate regions of the world. It is thought to be native to South America.
Selected References
None.