Difference between revisions of "Micranthes nelsoniana var. porsildiana"
J. Bot. Res. Inst. Texas 2: 395. 2008,.
Basionym: Saxifraga punctata subsp. porsildiana Calder & Savile Canad. J. Bot. 38: 429. 1960
Synonyms: Micranthes porsildiana (Calder & Savile) Elven & D. F. Murray Saxifraga nelsoniana subsp. pacifica (Hultén) Hultén Saxifraga nelsoniana var. pacifica (Hultén) H. Ohba Saxifraga nelsoniana subsp. porsildiana (Calder & Savile) Hultén Saxifraga nelsoniana var. porsildiana (Calder & Savile) H. Ohba Saxifraga punctata subsp. pacifica Hultén Saxifraga punctata var. pacifica (Hultén) S. L. Welsh Saxifraga punctata var. porsildiana (Calder & Savile) B. Boivin
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|place=2: 395. 2008, | |place=2: 395. 2008, | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Saxifraga punctata subsp. porsildiana | |name=Saxifraga punctata subsp. porsildiana | ||
|authority=Calder & Savile | |authority=Calder & Savile | ||
| + | |rank=subspecies | ||
| + | |publication_title=Canad. J. Bot. | ||
| + | |publication_place=38: 429. 1960 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Micranthes porsildiana | |name=Micranthes porsildiana | ||
|authority=(Calder & Savile) Elven & D. F. Murray | |authority=(Calder & Savile) Elven & D. F. Murray | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga nelsoniana subsp. pacifica | |name=Saxifraga nelsoniana subsp. pacifica | ||
|authority=(Hultén) Hultén | |authority=(Hultén) Hultén | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga nelsoniana var. pacifica | |name=Saxifraga nelsoniana var. pacifica | ||
|authority=(Hultén) H. Ohba | |authority=(Hultén) H. Ohba | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga nelsoniana subsp. porsildiana | |name=Saxifraga nelsoniana subsp. porsildiana | ||
|authority=(Calder & Savile) Hultén | |authority=(Calder & Savile) Hultén | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga nelsoniana var. porsildiana | |name=Saxifraga nelsoniana var. porsildiana | ||
|authority=(Calder & Savile) H. Ohba | |authority=(Calder & Savile) H. Ohba | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga punctata subsp. pacifica | |name=Saxifraga punctata subsp. pacifica | ||
|authority=Hultén | |authority=Hultén | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga punctata var. pacifica | |name=Saxifraga punctata var. pacifica | ||
|authority=(Hultén) S. L. Welsh | |authority=(Hultén) S. L. Welsh | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Saxifraga punctata var. porsildiana | |name=Saxifraga punctata var. porsildiana | ||
|authority=(Calder & Savile) B. Boivin | |authority=(Calder & Savile) B. Boivin | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Saxifragaceae;Micranthes;Micranthes nelsoniana;Micranthes nelsoniana var. porsildiana | |hierarchy=Saxifragaceae;Micranthes;Micranthes nelsoniana;Micranthes nelsoniana var. porsildiana | ||
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name=Micranthes nelsoniana var. porsildiana | name=Micranthes nelsoniana var. porsildiana | ||
| − | |||
|authority=(Calder & Savile) Gornall & H. Ohba | |authority=(Calder & Savile) Gornall & H. Ohba | ||
|rank=variety | |rank=variety | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_95.xml |
|genus=Micranthes | |genus=Micranthes | ||
|species=Micranthes nelsoniana | |species=Micranthes nelsoniana | ||
Latest revision as of 22:47, 5 November 2020
Leaf blades thin, not fleshy, margins 12–18-toothed. Inflorescences congested, tangled-ascending hairy. Pistils connate to 3/4 their lengths. Capsules 3–8 mm. 2n = 28.
Phenology: Flowering summer.
Habitat: Stream banks, wet areas
Elevation: 0-2500 m
Distribution
Alta., B.C., N.W.T., Nunavut, Yukon, Alaska.
Discussion
The characters used by J. A. Calder and D. B. O. Savile (1960) to separate var. porsildiana from var. pacifica overlap more significantly than do the characters that separate their subspecies, although inland populations of what has been called var. porsildiana gradually tend away from the morphology typical of coastal populations. Elven and Murray treated this taxon as a species distinct from Micranthes nelsoniana, because it apparently grows in stands mixed with other subspecies of M. nelsoniana without forming intermediates. The entire complex needs a thorough re-examination.
Selected References
None.
Lower Taxa
None.
... more about "Micranthes nelsoniana var. porsildiana"
J. Bot. Res. Inst. Texas +
Micranthes porsildiana +, Saxifraga nelsoniana subsp. pacifica +, Saxifraga nelsoniana var. pacifica +, Saxifraga nelsoniana subsp. porsildiana +, Saxifraga nelsoniana var. porsildiana +, Saxifraga punctata subsp. pacifica +, Saxifraga punctata var. pacifica + and Saxifraga punctata var. porsildiana +
Micranthes nelsoniana var. porsildiana +
Micranthes nelsoniana +
variety +