Difference between revisions of "Ageratina altissima"
Phytologia 19: 212. 1970.
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}} | }} | ||
|common_names=White snakeroot | |common_names=White snakeroot | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Ageratum altissimum | |name=Ageratum altissimum | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=2: 839. 1753, | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=N.B.;N.S.;Ont.;Que.;Sask.;Ala.;Ark.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;N.C.;N.Dak.;N.H.;N.J.;N.Y.;Nebr.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Va.;Vt.;W.Va.;Wis. |
|discussion=<p>Varieties 2 (2 in the flora).</p> | |discussion=<p>Varieties 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Ageratina altissima | name=Ageratina altissima | ||
| − | |||
|authority=(Linnaeus) R. M. King & H. Robinson | |authority=(Linnaeus) R. M. King & H. Robinson | ||
|rank=species | |rank=species | ||
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|basionyms=Ageratum altissimum | |basionyms=Ageratum altissimum | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=N.B.;N.S.;Ont.;Que.;Sask.;Ala.;Ark.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;N.C.;N.Dak.;N.H.;N.J.;N.Y.;Nebr.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Va.;Vt.;W.Va.;Wis. |
|reference=None | |reference=None | ||
|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1970 | |publication year=1970 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1390.xml |
|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Ageratina | |genus=Ageratina | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Ageratina]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Ageratina]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:28, 6 November 2020
Perennials, (30–)50–80(–120) cm (bases usually fibrous-rooted crowns, sometimes rhizomatous). Stems ascending to erect, sometimes semiscandent, puberulent (hairs minute, crisped). Leaves opposite; petioles (5–)10–30(–50) mm; blades usually deltate-ovate to ovate or broadly lanceolate, sometimes ovate-lanceolate, 4–11(–13) × 2.5–8(–9) cm, bases usually rounded to truncate or obtuse, sometimes cordate, margins coarsely and doubly incised-serrate, apices usually acuminate. Heads clustered. Peduncles 1–5 mm, puberulent. Involucres 4–5 mm. Phyllaries: apices acute, abaxial faces glabrous or sparsely and finely villous. Corollas white, lobes sparsely short-villous. Cypselae glabrous.
Distribution
N.B., N.S., Ont., Que., Sask., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., N.C., N.Dak., N.H., N.J., N.Y., Nebr., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Va., Vt., W.Va., Wis.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Phyllaries 3–5 mm, apices not cuspidate | Ageratina altissima var. altissima |
| 1 | Phyllaries 4–7 mm, apices cuspidate to acuminate | Ageratina altissima var. roanensis |