Difference between revisions of "Juncus arcticus var. alaskanus"

(Hulten) S. L. Welsh

Anderson's Flora of Alaska and Adjacent Parts of Canada 611. 1974.

Common names: Alaskan rush
Basionym: Juncus arcticus subsp. alaskanus Hultén Fl. Alaska Yukon 3: 418. 1943
Synonyms: Juncus arcticus subsp. sitchensis Engelmann Juncus balticus var. alaskanus (Hultén) A. E. Porsild Juncus balticus var. haenkei (E. Meyer) Buchenau Juncus balticus subsp. sitchensis (Engelmann) Hultén Juncus haenkei
Treatment appears in FNA Volume 22.
FNA>Volume Importer
FNA>Volume Importer
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|name=Juncus arcticus subsp. alaskanus
 
|name=Juncus arcticus subsp. alaskanus
 
|authority=Hultén
 
|authority=Hultén
 +
|rank=subspecies
 
|publication_title=Fl. Alaska Yukon
 
|publication_title=Fl. Alaska Yukon
 
|publication_place=3: 418. 1943
 
|publication_place=3: 418. 1943
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|name=Juncus arcticus subsp. sitchensis
 
|name=Juncus arcticus subsp. sitchensis
 
|authority=Engelmann
 
|authority=Engelmann
 +
|rank=subspecies
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Juncus balticus var. alaskanus
 
|name=Juncus balticus var. alaskanus
 
|authority=(Hultén) A. E. Porsild
 
|authority=(Hultén) A. E. Porsild
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Juncus balticus var. haenkei
 
|name=Juncus balticus var. haenkei
 
|authority=(E. Meyer) Buchenau
 
|authority=(E. Meyer) Buchenau
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Juncus balticus subsp. sitchensis
 
|name=Juncus balticus subsp. sitchensis
 
|authority=(Engelmann) Hultén
 
|authority=(Engelmann) Hultén
 +
|rank=subspecies
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Juncus haenkei
 
|name=Juncus haenkei
|authority=unknown
+
|authority=
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Juncaceae;Juncus;Juncus subg. Genuini;Juncus arcticus;Juncus arcticus var. alaskanus
 
|hierarchy=Juncaceae;Juncus;Juncus subg. Genuini;Juncus arcticus;Juncus arcticus var. alaskanus
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Juncus arcticus var. alaskanus
 
name=Juncus arcticus var. alaskanus
|author=
 
 
|authority=(Hulten) S. L. Welsh
 
|authority=(Hulten) S. L. Welsh
 
|rank=variety
 
|rank=variety
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|publication year=1974
 
|publication year=1974
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V22/V22_413.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V22/V22_413.xml
 
|genus=Juncus
 
|genus=Juncus
 
|subgenus=Juncus subg. Genuini
 
|subgenus=Juncus subg. Genuini

Revision as of 19:58, 16 December 2019

Herbs, 1–3 dm. Culms 0.7–1.2 mm diam. Leaves: blade absent. Inflorescences 3–8-flowered, slightly compact, 1–1.5 cm; primary bract 3–8 cm. Flowers: tepals shining chestnut brown with lighter midstripe, lanceolate, 4–5(–6) mm, apex acuminate; inner series shorter, margins clear, obtuse to acute; stamens 2 mm, filaments 1 mm, anthers 1 mm. Capsules dark tan, oblate, 3–4 mm diam., usually slightly exceeding perianth.


Phenology: Flowering spring–summer.
Habitat: Moist to dry places, wet meadows, stream banks
Elevation: 0–2200 m

Distribution

V22 413-distribution-map.jpg

Greenland, B.C., Man., Nfld. and Labr. (Labr), N.W.T., Nunavut, Ont., Que., Yukon, Alaska, Asia.

Discussion

Perhaps Juncus arcticus var. alaskanus is not distinct from the Eurasian J.uncus arcticus var. arcticus.

Selected References

None.

Lower Taxa

None.
Ralph E. Brooks* +  and Steven E. Clemants* +
(Hulten) S. L. Welsh +
Juncus arcticus subsp. alaskanus +
Alaskan rush +
Greenland +, B.C. +, Man. +, Nfld. and Labr. (Labr) +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +  and Asia. +
0–2200 m +
Moist to dry places, wet meadows, stream banks +
Flowering spring–summer. +
Anderson's Flora of Alaska and Adjacent Parts of Canada +
Illustrated +
Juncus arcticus subsp. sitchensis +, Juncus balticus var. alaskanus +, Juncus balticus var. haenkei +, Juncus balticus subsp. sitchensis +  and Juncus haenkei +
Juncus arcticus var. alaskanus +
Juncus arcticus +
variety +