View source for Achillea ptarmica

{{Treatment/ID
|accepted_name=Achillea ptarmica
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 898. 1753
|year=1753
}}
|common_names=Sneezeweed;sneezewort;achillée ptarmique;herbe-à-éternuer
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Anthemideae;Achillea;Achillea ptarmica
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Anthemideae]]</div><div class="higher-taxon"><small>genus</small>[[Achillea]]</div><div class="higher-taxon"><small>species</small>[[Achillea ptarmica]]</div></div>
|volume=Volume 19
|mention_page=page 493
|treatment_page=page 494
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 30–60+ cm (rhizomatous). <b>Stems</b> 1, erect, branched distally, proximally glabrate, distally villous or tomentose. <b>Leaves</b> 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. <b>Heads</b> 3–15+, in simple or compound, corymbiform arrays. <b>Phyllaries</b> 25–30+ in ± 3 series, (light green, midribs yellowish, margins light brown) lanceolate to oblanceolate, faces tomentose. <b>Receptacles</b> flat to slightly convex; paleae oblanceolate, 3–4 mm. <b>Ray</b> 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). <b>Disc</b> florets 45–75+ (sometimes 0 in doubles); corollas grayish white, ca. 3 mm. <b>Cypselae</b> 1.5–2 mm. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|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=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=<p><i>Achillea ptarmica</i> is naturalized from Eurasia. “Double-flowered” plants originated as cultivars; apparently, they persist outside of cultivation.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Achillea ptarmica
|author=
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|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=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
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V19_824.xml
|tribe=Asteraceae tribe Anthemideae
|genus=Achillea
|species=Achillea ptarmica
}}<!--

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