Difference between revisions of "Tanacetum parthenium"
Tanaceteen, 55. 1844.
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|elevation=10–1900 m | |elevation=10–1900 m | ||
|distribution=B.C.;Ont.;Ala.;Colo.;Conn.;Del.;Idaho;Ill.;Ind.;Ky.;Maine;Md.;Mass.;Mich.;Miss.;Mo.;Mont.;Nev.;N.H.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;S.C.;Utah;Vt.;Wash.;W.Va.;Wis.;Wyo.;Eurasia;n Africa;widely naturalized in New World and Old World. | |distribution=B.C.;Ont.;Ala.;Colo.;Conn.;Del.;Idaho;Ill.;Ind.;Ky.;Maine;Md.;Mass.;Mich.;Miss.;Mo.;Mont.;Nev.;N.H.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;S.C.;Utah;Vt.;Wash.;W.Va.;Wis.;Wyo.;Eurasia;n Africa;widely naturalized in New World and Old World. | ||
| − | |discussion=<p>Tanacetum parthenium is widely cultivated throughout North America.</p> | + | |discussion=<p><i>Tanacetum parthenium</i> is widely cultivated throughout North America.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1844 | |publication year=1844 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V19_818.xml |
|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Tanacetum | |genus=Tanacetum | ||
Revision as of 15:15, 18 September 2019
Perennials, (20–)30–60(–80) cm. Stems 1–3+ (ridged), erect, branched (usually glabrous proximally, puberulent distally). Leaves mainly cauline; petiolate; blades ovate to rounded-deltate, 4–10+ × 1.5–4 cm, usually 1–2-pinnately lobed (primary lobes 3–5+ pairs, ± ovate), ultimate margins pinnatifid to dentate, faces (at least abaxial) usually puberulent, gland-dotted. Heads 5–20(–30) in corymbiform arrays. Involucres 5–7 mm diam. Ray florets 10–21+ (more in “doubles”), pistillate, fertile; corollas white, laminae 2–8(–12) mm. Disc corollas ca. 2 mm. Cypselae ± columnar, 1–2 mm, 5–10-ribbed; pappi 0 or coroniform, 0.1–0.2+ mm. 2n = 18.
Phenology: Flowering Jun–Nov.
Habitat: Disturbed sites, urban areas, roadsides, fields, abandoned plantings
Elevation: 10–1900 m
Distribution
B.C., Ont., Ala., Colo., Conn., Del., Idaho, Ill., Ind., Ky., Maine, Md., Mass., Mich., Miss., Mo., Mont., Nev., N.H., N.J., N.Y., N.C., Ohio, Oreg., Pa., R.I., S.C., Utah, Vt., Wash., W.Va., Wis., Wyo., Eurasia, n Africa, widely naturalized in New World and Old World.
Discussion
Tanacetum parthenium is widely cultivated throughout North America.
Selected References
None.