Difference between revisions of "Tanacetum balsamita"
Sp. Pl. 2: 845. 1753.
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GeoffLevin (talk | contribs) (Removed Chrysanthemum balsamita from synonyms with explanation in discussion and made other corrections to synonyms) |
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|rank=species | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
| − | |name= | + | |name=Pyrethrum balsamita var. tanacetoides |
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|authority=Boissier | |authority=Boissier | ||
|rank=variety | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Pyrethrum majus | |name=Pyrethrum majus | ||
| − | |authority= | + | |authority=(Desfontaines) Tzvelev |
|rank=species | |rank=species | ||
}} | }} | ||
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|elevation=0–1800 m | |elevation=0–1800 m | ||
|distribution=N.S.;Ont.;Que.;Sask.;Calif.;Colo.;Conn.;Del.;Idaho;Ill.;Ind.;Kans.;Maine;Md.;Mass.;Mich.;Mo.;Mont.;Nev.;N.H.;N.Y.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Utah;Vt.;Wash.;Wis.;Wyo.;Asia. | |distribution=N.S.;Ont.;Que.;Sask.;Calif.;Colo.;Conn.;Del.;Idaho;Ill.;Ind.;Kans.;Maine;Md.;Mass.;Mich.;Mo.;Mont.;Nev.;N.H.;N.Y.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Utah;Vt.;Wash.;Wis.;Wyo.;Asia. | ||
| + | |discussion=<p>The illegitimate name <i>Chrysanthemum balsamita</i> (Linnaeus) Baillon (1882), a new combination based on <i>Tanacetum balsamita</i> Linnaeus (1753) and a later homonym of <i>C. balsamita</i> Linnaeus (1763), pertains here.</p> | ||
|introduced=true | |introduced=true | ||
|tables= | |tables= | ||
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|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| − | |synonyms=Balsamita major; | + | |synonyms=Balsamita major;Pyrethrum balsamita var. tanacetoides;Pyrethrum majus |
|basionyms= | |basionyms= | ||
|family=Asteraceae | |family=Asteraceae | ||
Latest revision as of 02:22, 30 August 2023
Perennials, 30–80(–120) cm. Stems 1, erect, simple or branched (strigose, glabrate). Leaves basal and cauline; petiolate (proximal) or sessile (distal); blades (basal and proximal cauline) mostly elliptic to oblong, 10–20 × 2–8 cm, usually not pinnately lobed (sometimes with 1–4+ lateral lobes near bases), margins ± crenate, faces usually silvery strigose or sericeous (at least when young), glabrescent, ± gland-dotted. Heads (3–)10–60+ in corymbiform arrays. Involucres (3–)5–8(–10) mm diam. (phyllaries 40–60+ in 3–4+ series, tips usually ± dilated). Receptacles flat to convex. Ray florets usually 0 [sometimes 12–15, pistillate, fertile; corollas white, laminae 4–6+ mm]. Disc corollas ca. 2 mm. Cypselae ± columnar, 1.5–2 mm, 5–8-ribbed (with non-mucilaginous glands); pappi coroniform, 0.1–0.4 mm (entire or ± toothed). 2n = 18, 54.
Phenology: Flowering Aug–Sep.
Habitat: Disturbed sites, abandoned plantings
Elevation: 0–1800 m
Distribution
Introduced; N.S., Ont., Que., Sask., Calif., Colo., Conn., Del., Idaho, Ill., Ind., Kans., Maine, Md., Mass., Mich., Mo., Mont., Nev., N.H., N.Y., Ohio, Oreg., Pa., R.I., S.Dak., Utah, Vt., Wash., Wis., Wyo., Asia.
Discussion
The illegitimate name Chrysanthemum balsamita (Linnaeus) Baillon (1882), a new combination based on Tanacetum balsamita Linnaeus (1753) and a later homonym of C. balsamita Linnaeus (1763), pertains here.
Selected References
None.