Tanacetum vulgare

Linnaeus

Sp. Pl. 2: 844. 1753.

Common names: Common tansy tanaisie vulgaire
IntroducedIllustrated
Treatment appears in FNA Volume 19. Treatment on page 490. Mentioned on page 489.

Perennials, mostly 40–150 cm. Stems 1–2+ (ridged), erect, branched distally (glabrous or sparsely hairy). Leaves basal (soon withering) and cauline; petiolate or sessile; blades broadly oblong or oval to elliptic, 4–20 × 2–10 cm, pinnately lobed (rachises ± winged, primary lobes 4–10 pairs, lance-linear to lanceolate or narrowly elliptic, often pinnately lobed or toothed), ultimate margins dentate, faces glabrous or sparsely hairy, gland-dotted. Heads 20–200 in compact, corymbiform arrays. Involucres 5–10 mm diam. Receptacles convex to conic, epaleate. Ray-florets 0 (heads disciform, peripheral pistillate florets ca. 20; corollas yellow, lobes 3–4). Disc corollas 2–3 mm. Cypselae 1–2 mm, 4–5-angled or ribbed, gland-dotted; pappi coroniform, 0.2–0.4 mm. 2n = 18.


Phenology: Flowering Jul–Sep.
Habitat: Disturbed sites (often moist), abandoned plantings
Elevation: 10–1600 m

Distribution

V19-819-distribution-map.gif

Introduced; Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., N.W.T., P.E.I., Que., Sask., Alaska, Ariz., Ark., Calif., Colo., Conn., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Eurasia, widely in New World and Old World

Discussion

Tanacetum vulgare escapes from and/or persists after cultivation. In the flora area, it is naturalized mostly in the northeastern and Pacific Coast states and provinces and sporadically elsewhere.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Tanacetum vulgare"
not tailed +  and obtuse +
scarious +
indeterminate +  and determinate +
Linda E. Watson +
Linnaeus +
decurrent +
compound +  and simple +
4 cm40 mm <br />0.04 m <br /> (20 cm200 mm <br />0.2 m <br />) +
lobed;oval;elliptic +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Common tansy +  and tanaisie vulgaire +
zygomorphic +, actinomorphic +  and (3-)5-merous +
winged +  and monomorphic +
gland-dotted +
ribbed +  and 4-5-angled +
fertile +  and bisexual +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
fertile +  and bisexual +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, N.W.T. +, P.E.I. +, Que. +, Sask. +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Tenn. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Eurasia +  and widely in New World and Old World +
10–1600 m +
gland-dotted +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Disturbed sites (often moist), abandoned plantings +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
hemispheric +
sessile +  and petiolate +
cauline +  and basal +
deltate +
entire +  and dentate +
2-carpellate +
persistent +
coroniform +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Flowering Jul–Sep. +
30 +  and 60 +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
5 +  and 10 +
exalbuminous +
Introduced +  and Illustrated +
hairy +  and glabrous +
1 +  and 2 +
appendaged +  and truncate +
papillate +
Compositae +
Tanacetum vulgare +
Tanacetum +
species +
campanulate +
cylindric +
dentate +, crenate +  and entire +
40 cm400 mm <br />0.4 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
shrub +  and subshrub +