Difference between revisions of "Achillea ptarmica"
Sp. Pl. 2: 898. 1753.
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|common_names=Sneezeweed;sneezewort;achillée ptarmique;herbe-à-éternuer | |common_names=Sneezeweed;sneezewort;achillée ptarmique;herbe-à-éternuer | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=0–2400 m | |elevation=0–2400 m | ||
|distribution=Greenland;Alta.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Alaska;Colo.;Conn.;Idaho;Ind.;Maine;Mass.;Mich.;Minn.;Mo.;Mont.;N.H.;N.J.;N.Y.;N.Dak.;Ohio;Pa.;R.I.;Vt.;Wash.;W.Va.;Wis.;Eurasia. | |distribution=Greenland;Alta.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Alaska;Colo.;Conn.;Idaho;Ind.;Maine;Mass.;Mich.;Minn.;Mo.;Mont.;N.H.;N.J.;N.Y.;N.Dak.;Ohio;Pa.;R.I.;Vt.;Wash.;W.Va.;Wis.;Eurasia. | ||
| + | |introduced=true | ||
|discussion=<p><i>Achillea ptarmica</i> is naturalized from Eurasia. “Double-flowered” plants originated as cultivars; apparently, they persist outside of cultivation.</p> | |discussion=<p><i>Achillea ptarmica</i> is naturalized from Eurasia. “Double-flowered” plants originated as cultivars; apparently, they persist outside of cultivation.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Achillea ptarmica | name=Achillea ptarmica | ||
| − | |||
|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |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/V19_824.xml |
|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Achillea | |genus=Achillea | ||
Latest revision as of 19:56, 5 November 2020
Perennials, 30–60+ cm (rhizomatous). Stems 1, erect, branched distally, proximally glabrate, distally villous or tomentose. Leaves sessile; blades linear to narrowly lanceolate, 3–10 × 3–5 mm, (bases slightly clasping, margins usually serrulate, rarely subentire), faces glabrous or sparsely hairy on midveins adaxially. Heads 3–15+, in simple or compound, corymbiform arrays. Phyllaries 25–30+ in ± 3 series, (light green, midribs yellowish, margins light brown) lanceolate to oblanceolate, faces tomentose. Receptacles flat to slightly convex; paleae oblanceolate, 3–4 mm. Ray florets 8–10(–13), styliferous and sterile (45–70, pistillate, fertile, in horticultural doubles); corollas white, laminae suborbiculate, 4–5 × 4–5 mm (5–7 × 3.5–4.5 mm in doubles). Disc florets 45–75+ (sometimes 0 in doubles); corollas grayish white, ca. 3 mm. Cypselae 1.5–2 mm. 2n = 18.
Phenology: Flowering late Jun–mid Sep.
Habitat: Roadsides, disturbed sites, open fields and pastures, in sandy or gravelly soils or in moist to drying silty soils
Elevation: 0–2400 m
Distribution
Introduced; Greenland, Alta., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Alaska, Colo., Conn., Idaho, Ind., Maine, Mass., Mich., Minn., Mo., Mont., N.H., N.J., N.Y., N.Dak., Ohio, Pa., R.I., Vt., Wash., W.Va., Wis., Eurasia.
Discussion
Achillea ptarmica is naturalized from Eurasia. “Double-flowered” plants originated as cultivars; apparently, they persist outside of cultivation.
Selected References
None.