Difference between revisions of "Dyssodia papposa"

(Ventenant) A. Hitchcock

Trans. Acad. Sci. St. Louis 5: 503. 1891.

Common names: Dogweed
Basionym: Tagetes papposa Ventenant Descr. Pl. Nouv., plate 36. 1801
Treatment appears in FNA Volume 21. Treatment on page 231.
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|publication year=1891
 
|publication year=1891
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_561.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_561.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae

Revision as of 20:38, 16 December 2019

Leaves 15–50 × 10–40 mm overall, ultimate lobes (7–)11–15, 5–20 × 1–3 mm, glabrous or sparsely hairy, dotted with oil-glands. Peduncles 1–5(–10) mm. Involucres 6–10 mm. Phyllaries each bearing 1–7 oil-glands. Ray laminae 1.5–2.5 × 1–2 mm. Disc corollas ca. 3 mm. Cypselae3–3.5 mm; pappi 1–3 mm. 2n = 26.


Phenology: Flowering summer–fall.
Habitat: Grasslands, open woodlands, often ruderal, fields, along roadways
Elevation: 0–2000 m

Distribution

V21-561-distribution-map.gif

Ont., Ariz., Ark., Calif., Colo., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.Mex., N.Y., N.Dak., Ohio, Okla., Pa., S.Dak., Tenn., Tex., Utah, Vt., W.Va., Wis., Wyo., Mexico, Central America, introduced in South America.

Discussion

Records of Dyssodia papposa from Ontario and from California, Maine, Massachusetts, New Hampshire, New York, and Vermont evidently document local, probably ephemeral, introductions. In 1837, C. W. Short noted of D. papposa on a specimen label, “This plant is so abundant, and exhales an odor so unpleasant as to sicken the traveler over the western prairies of Illinois, in autumn.”

Selected References

None.

Lower Taxa

None.
... more about "Dyssodia papposa"
John L. Strother +
(Ventenant) A. Hitchcock +
Tagetes papposa +
Dogweed +
Ont. +, Ariz. +, Ark. +, Calif. +, Colo. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.Mex. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Pa. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, W.Va. +, Wis. +, Wyo. +, Mexico +, Central America +  and introduced in South America. +
0–2000 m +
Grasslands, open woodlands, often ruderal, fields, along roadways +
Flowering summer–fall. +
Trans. Acad. Sci. St. Louis +
Undefined (tribe Undefined) subtribe Tageteae +
Dyssodia papposa +
Dyssodia +
species +