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Dyssodia papposa (Vent.) Hitchc.
FETID MARIGOLD
Life   Plantae   Dicotyledoneae   Asteraceae   Dyssodia

Dyssodia papposa
© Copyright Jennifer Larson 2012 · 2
Dyssodia papposa

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Dyssodia papposa, plant
© Kay Yatskievych, 2003 · 1
Dyssodia papposa, plant
Dyssodia papposa, leaf
© Pedro Tenorio-Lezama, 2001 · 0
Dyssodia papposa, leaf

Dyssodia papposa, flower buds
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Dyssodia papposa, flower buds
Dyssodia papposa, habitat
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Dyssodia papposa, habitat

Dyssodia papposa, leaf and stem
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Dyssodia papposa, leaf and stem
Dyssodia papposa
© Pedro Tenorio-Lezama, 2001 · 0
Dyssodia papposa

Associates · map
FamilyScientific name @ source (records)
Colletidae  Colletes eulophi @ AMNH_BEE (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (2)

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FNA Vol. 21 Page 227 , 231 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Dyssodia

1. Dyssodia papposa (Ventenant) A. Hitchcock, Trans. Acad. Sci. St. Louis. 5: 503. 1891.

Dogweed

Tagetes papposa Ventenant, Descr. Pl. Nouv., plate 36. 1801

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. Cypselae 3—3.5 mm; pappi 1—3 mm. 2 n = 26.

Flowering summer—fall. Grasslands, open woodlands, often ruderal, fields, along roadways; 0—2000 m; 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.

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."

Updated: 2024-07-21 19:36:12 gmt
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