Difference between revisions of "Helminthotheca echioides"
Folia Geobot. Phytotax. 8: 176. 1973.
Basionym: Picris echioides Linnaeus Sp. Pl. 2: 792. 1753
Treatment appears in FNA Volume 19. Treatment on page 300.
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|name=Picris echioides | |name=Picris echioides | ||
|authority=Linnaeus | |authority=Linnaeus | ||
+ | |rank=species | ||
|publication_title=Sp. Pl. | |publication_title=Sp. Pl. | ||
|publication_place=2: 792. 1753 | |publication_place=2: 792. 1753 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Helminthotheca echioides | name=Helminthotheca echioides | ||
− | |||
|authority=(Linnaeus) Holub | |authority=(Linnaeus) Holub | ||
|rank=species | |rank=species | ||
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|publication year=1973 | |publication year=1973 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V19_439.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Helminthotheca | |genus=Helminthotheca |
Revision as of 20:19, 16 December 2019
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: Flowering May–Nov.
Habitat: Disturbed sites
Elevation: 0–50(–500) m
Distribution
Alta., N.B., Ont., Sask., Ariz., Calif., Conn., D.C., Iowa, Maine, Md., Mass., Mo., Mont., N.J., N.Y., N.Dak., Ohio, Oreg., Pa., Vt., Va., Europe, widely introduced elsewhere.
Discussion
Reports for British Columbia and Nova Scotia need confirmation.
Selected References
None.
Lower Taxa
None.