familyRosaceae
subfamilyRosaceae subfam. Rosoideae
genusPotentilla
sectionPotentilla sect. Aureae
speciesPotentilla hyparctica
subspeciesPotentilla hyparctica subsp. elatior
Difference between revisions of "Potentilla hyparctica subsp. elatior"
J. Bot. Res. Inst. Texas 1: 813. 2007.
Common names: Grande potentille subarctique
Basionym: Potentilla emarginata var. elatior Abromeit Biblioth. Bot. 8(heft 42): 8. 1897
Synonyms: P. flabellifolia var. emarginata (Seringe) B. Boivin P. hyparctica var. elatior (Abromeit) Fernald
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|name=Potentilla emarginata var. elatior | |name=Potentilla emarginata var. elatior | ||
|authority=Abromeit | |authority=Abromeit | ||
| + | |rank=variety | ||
|publication_title=Biblioth. Bot. | |publication_title=Biblioth. Bot. | ||
|publication_place=8(heft 42): 8. 1897 | |publication_place=8(heft 42): 8. 1897 | ||
| Line 17: | Line 18: | ||
|name=P. flabellifolia var. emarginata | |name=P. flabellifolia var. emarginata | ||
|authority=(Seringe) B. Boivin | |authority=(Seringe) B. Boivin | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=P. hyparctica var. elatior | |name=P. hyparctica var. elatior | ||
|authority=(Abromeit) Fernald | |authority=(Abromeit) Fernald | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Potentilleae;Potentilla;Potentilla sect. Aureae;Potentilla hyparctica;Potentilla hyparctica subsp. elatior | |hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Potentilleae;Potentilla;Potentilla sect. Aureae;Potentilla hyparctica;Potentilla hyparctica subsp. elatior | ||
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|elevation=0–4000 m | |elevation=0–4000 m | ||
|distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Labr.);N.W.T.;Nunavut;Que.;Yukon;Alaska;Mont.;Wash.;Wyo.;Asia (Russian Far East). | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Labr.);N.W.T.;Nunavut;Que.;Yukon;Alaska;Mont.;Wash.;Wyo.;Asia (Russian Far East). | ||
| − | |discussion=<p>Geographically isolated and morphologically deviant plants from alpine sites in Montana (Beartooth Mountains), Washington (Mount Baker), and Wyoming (Sublette County) are provisionally assigned to < | + | |discussion=<p>Geographically isolated and morphologically deviant plants from alpine sites in Montana (Beartooth Mountains), Washington (Mount Baker), and Wyoming (Sublette County) are provisionally assigned to <i></i>subsp.<i> elatior</i> but likely represent a segregate race. These plants are exceptionally compact and hairy, with leaflets usually lacking petiolules.</p><!-- |
--><p><i>Potentilla</i> emarginata Pursh (1813), sometimes used for this taxon, is an illegitimate later homonym of <i>P. emarginata</i> Desfontaines (1804).</p> | --><p><i>Potentilla</i> emarginata Pursh (1813), sometimes used for this taxon, is an illegitimate later homonym of <i>P. emarginata</i> Desfontaines (1804).</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Potentilla hyparctica subsp. elatior | name=Potentilla hyparctica subsp. elatior | ||
| − | |||
|authority=(Abromeit) Elven & D. F. Murray | |authority=(Abromeit) Elven & D. F. Murray | ||
|rank=subspecies | |rank=subspecies | ||
| Line 60: | Line 62: | ||
|publication year=2007 | |publication year=2007 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V9/V9_293.xml |
|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Potentilleae | |tribe=Rosaceae tribe Potentilleae | ||
Revision as of 22:39, 16 December 2019
Plants: hairs usually sparse, sometimes common to abundant. Stems 0.4–2(–2.5) dm. Central leaflets broadly obovate, petiolule (0–)2–3(–5) mm, base broadly cuneate to rounded, teeth broadly oblong, tooth apex obtuse to rounded. Inflorescences 1–3(–5)-flowered. Flowers: epicalyx bractlets broadly oblong or ovate, 2–5 mm wide; sepals: apex obtuse to rounded. 2n = 42.
Phenology: Flowering late spring–summer.
Habitat: Damp ericaceous heath, snow patch meadows, damp arctic and alpine tundra, rocky outcrops, solifluction slopes, talus, mainly acidic bedrock
Elevation: 0–4000 m
Distribution
Greenland, Alta., B.C., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Que., Yukon, Alaska, Mont., Wash., Wyo., Asia (Russian Far East).
Discussion
Geographically isolated and morphologically deviant plants from alpine sites in Montana (Beartooth Mountains), Washington (Mount Baker), and Wyoming (Sublette County) are provisionally assigned to subsp. elatior but likely represent a segregate race. These plants are exceptionally compact and hairy, with leaflets usually lacking petiolules.
Potentilla emarginata Pursh (1813), sometimes used for this taxon, is an illegitimate later homonym of P. emarginata Desfontaines (1804).
Selected References
None.
Lower Taxa
None.
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