familyAsteraceae
genusHelianthus
speciesHelianthus nuttallii
subspeciesHelianthus nuttallii subsp. nuttallii
Difference between revisions of "Helianthus nuttallii subsp. nuttallii"
Endemic
Synonyms: Helianthus nuttallii subsp. canadensis
Treatment appears in FNA Volume 21. Treatment on page 167.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Helianthus nuttallii subsp. nuttallii | |accepted_name=Helianthus nuttallii subsp. nuttallii | ||
| − | |accepted_authority= | + | |accepted_authority= |
|publications= | |publications= | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Helianthus nuttallii subsp. canadensis | |name=Helianthus nuttallii subsp. canadensis | ||
| − | |authority= | + | |authority= |
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Helianthinae;Helianthus;Helianthus nuttallii;Helianthus nuttallii subsp. nuttallii | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Helianthinae;Helianthus;Helianthus nuttallii;Helianthus nuttallii subsp. nuttallii | ||
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|elevation=(300–)1200–2700 m | |elevation=(300–)1200–2700 m | ||
|distribution=Alta.;B.C.;Man.;Sask.;Ariz.;Calif.;Colo.;Idaho;Kans.;Mo.;Mont.;Nebr.;Nev.;N.Mex.;N.Dak.;Okla.;Oreg.;S.Dak.;Utah;Wash.;Wyo. | |distribution=Alta.;B.C.;Man.;Sask.;Ariz.;Calif.;Colo.;Idaho;Kans.;Mo.;Mont.;Nebr.;Nev.;N.Mex.;N.Dak.;Okla.;Oreg.;S.Dak.;Utah;Wash.;Wyo. | ||
| − | |discussion=<p>Plants in the Dakotas and south-central and eastern Canada are intermediate between subsp. nuttallii and subsp. rydbergii and were placed by R. W. Long (1966) in subsp. canadensis; C. B. Heiser et al. (1969) returned this to subsp. nuttallii with the comment that it was hardly equivalent to other subspecies that they included in their treatment. The name H. ×luxurians may refer to hybrids between subsp. nuttallii and H. giganteus (Heiser et al.).</p> | + | |discussion=<p>Plants in the Dakotas and south-central and eastern Canada are intermediate between <i></i>subsp.<i> nuttallii</i> and <i></i>subsp.<i> rydbergii</i> and were placed by R. W. Long (1966) in <i></i>subsp.<i> canadensis</i>; C. B. Heiser et al. (1969) returned this to <i></i>subsp.<i> nuttallii</i> with the comment that it was hardly equivalent to other subspecies that they included in their treatment. The name H. ×luxurians may refer to hybrids between <i></i>subsp.<i> nuttallii</i> and <i>H. giganteus</i> (Heiser et al.).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Helianthus nuttallii subsp. nuttallii | name=Helianthus nuttallii subsp. nuttallii | ||
| − | + | |authority= | |
| − | |authority= | ||
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_403.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae | ||
Latest revision as of 20:12, 5 November 2020
Plants usually 200–300 cm. Leaves mostly alternate; blades narrowly to broadly lanceolate, apices acute to acuminate, abaxial faces hispid to hispidulous. Phyllaries: abaxial faces ± glabrate or sparsely hairy (longer hairs 0.5–1 mm).
Phenology: Flowering late summer–fall.
Habitat: Moist open places, ditches, roadsides
Elevation: (300–)1200–2700 m
Distribution
Alta., B.C., Man., Sask., Ariz., Calif., Colo., Idaho, Kans., Mo., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., Oreg., S.Dak., Utah, Wash., Wyo.
Discussion
Plants in the Dakotas and south-central and eastern Canada are intermediate between subsp. nuttallii and subsp. rydbergii and were placed by R. W. Long (1966) in subsp. canadensis; C. B. Heiser et al. (1969) returned this to subsp. nuttallii with the comment that it was hardly equivalent to other subspecies that they included in their treatment. The name H. ×luxurians may refer to hybrids between subsp. nuttallii and H. giganteus (Heiser et al.).
Selected References
None.
Lower Taxa
None.