Difference between revisions of "Helianthus petiolaris subsp. petiolaris"

Synonyms: Helianthus couplandii B. Boivin
Treatment appears in FNA Volume 21. Treatment on page 153. Mentioned on page 152.
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|accepted_name=Helianthus petiolaris subsp. petiolaris
 
|accepted_name=Helianthus petiolaris subsp. petiolaris
|accepted_authority=unknown
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|accepted_authority=
 
|publications=
 
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|name=Helianthus couplandii
 
|name=Helianthus couplandii
 
|authority=B. Boivin
 
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|rank=species
 
}}
 
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|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Helianthinae;Helianthus;Helianthus petiolaris;Helianthus petiolaris subsp. petiolaris
 
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Helianthinae;Helianthus;Helianthus petiolaris;Helianthus petiolaris subsp. petiolaris
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-->{{#Taxon:
 
name=Helianthus petiolaris subsp. petiolaris
 
name=Helianthus petiolaris subsp. petiolaris
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|authority=unknown
 
 
|rank=subspecies
 
|rank=subspecies
 
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|parent rank=species
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|publication year=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_360.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_360.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae

Revision as of 19:36, 16 December 2019

Stems usually hispidulous to strigillose, rarely ± hirsute to glabrate. Leaves: abaxial faces sparsely, if at all, gland-dotted. Peduncles usually bractless. Phyllaries 3–5 mm wide. Disc corollas: throats abruptly narrowed distal to densely hairy basal bulbs. 2n = 34.


Phenology: Flowering early summer–fall.
Habitat: Dry open areas, usually sandy soils
Elevation: 10–1500(–2000) m

Distribution

V21-360-distribution-map.gif

Alta., Man., Ont., Sask., Ariz., Ark., Calif., Colo., Conn., Del., D.C., Idaho, Ill., Ind., Iowa, Kans., La., Maine, Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., S.C., S.Dak., Tenn., Tex., Utah, Va., Wash., W.Va., Wis., Wyo.

Discussion

Subsp. petiolaris is native to western North America and adventive elsewhere (e.g., introduced in Ontario). Hybrids with with H. annuus and H. debilis have been reported.

Selected References

None.

Lower Taxa

None.
Edward E. Schilling +
Nuttall +
Alta. +, Man. +, Ont. +, Sask. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, La. +, Maine +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Va. +, Wash. +, W.Va. +, Wis. +  and Wyo. +
10–1500(–2000) m +
Dry open areas, usually sandy soils +
Flowering early summer–fall. +
J. Acad. Nat. Sci. Philadelphia +
Illustrated +  and Endemic +
Helianthus couplandii +
Helianthus petiolaris subsp. petiolaris +
Helianthus petiolaris +
subspecies +