Compilation
Picris echioides

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Name

Identification
Picris echioides L. [family ASTERACEAE ]
Related name
  • Picris echioides

Flora

Entry for Helminthotheca echioides (Linnaeus) Holub [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 19,
Names
Helminthotheca echioides (Linnaeus) Holub [family COMPOSITAE], Folia Geobot. Phytotax., 8: 176. 1973
Picris echioides Linnaeus [family COMPOSITAE], Sp. Pl., 2: 792. 1753
Treatment Author(s)
John L. Strother
Information
Leaf blades 50–150(–250) × 10–50(–80+) mm. Peduncles 1–5+ cm, bristly hispid. Calyculi: bracts 9–15+ × 3–5+ mm, margins and tips bristly-ciliate. Phyllaries often sigmoid in fruit, abaxial faces and tips bristly. Cypselae: bodies 2.5–3 mm, beaks 2.5–5 mm; pappi 4–7 mm. 2n = 10.
Phenology
may (spring), jun-aug (summer), sep-nov (fall)
Altitude range
0–50(–500) m;
Distribution
Europewidely introduced elsewhere.USA Ariz.USA Calif.USA Conn.USA D.C.USA IowaUSA MaineUSA Md.USA Mass.USA Mo.USA Mont.USA N.J.USA N.Y.USA N.Dak.USA OhioUSA Oreg.USA Pa.USA Vt.USA Va.Canada Alta.Canada N.B.Canada Ont.Canada Sask.
Discussion
Reports for British Columbia and Nova Scotia need confirmation.
Native/Introduced
introduced;

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