Difference between revisions of "Juncus drummondii"

E. Meyer in C. F. von Ledebour

in C. F. von Ledebour,Flora Rossica 4: 235. 1853.

Common names: Drummond's rush
Etymology: for Thomas Drummond
Synonyms: Juncus compressus var. subtriflorus E. Meyer Juncus drummondii var. longifructus H. St. John Juncus drummondii var. subtriflorus (E. Meyer) C. L. Hitchcock Juncus subtriflorus (E. Meyer) Coville Juncus pauperculus Schwarz
Treatment appears in FNA Volume 22.
FNA>Volume Importer
 
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|name=Juncus compressus var. subtriflorus
 
|name=Juncus compressus var. subtriflorus
 
|authority=E. Meyer
 
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}} {{Treatment/ID/Synonym
 
|name=Juncus drummondii var. longifructus
 
|name=Juncus drummondii var. longifructus
 
|authority=H. St. John
 
|authority=H. St. John
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}} {{Treatment/ID/Synonym
 
|name=Juncus drummondii var. subtriflorus
 
|name=Juncus drummondii var. subtriflorus
 
|authority=(E. Meyer) C. L. Hitchcock
 
|authority=(E. Meyer) C. L. Hitchcock
}}{{Treatment/ID/Synonym
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}} {{Treatment/ID/Synonym
 
|name=Juncus subtriflorus
 
|name=Juncus subtriflorus
 
|authority=(E. Meyer) Coville
 
|authority=(E. Meyer) Coville
}}{{Treatment/ID/Synonym
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|name=Juncus pauperculus
 
|name=Juncus pauperculus
 
|authority=Schwarz
 
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|elevation=1600–4000 m
 
|elevation=1600–4000 m
 
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo.
 
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo.
|discussion=<p>Plants with capsules distinctly longer than the perianth have been referred to as Juncus drummondii var. subtriflorus. Those plants frequently occur sympatrically with J. drummondii (strict sense) through most of its range, leaving considerable doubt as to the value of recognizing such variation.</p>
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|discussion=<p>Plants with capsules distinctly longer than the perianth have been referred to as <i>Juncus drummondii</i> var. subtriflorus. Those plants frequently occur sympatrically with <i>J. drummondii</i> (strict sense) through most of its range, leaving considerable doubt as to the value of recognizing such variation.</p>
 
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|publication year=1853
 
|publication year=1853
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V22/V22_542.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V22/V22_542.xml
 
|genus=Juncus
 
|genus=Juncus
 
|subgenus=Juncus subg. Genuini
 
|subgenus=Juncus subg. Genuini

Revision as of 16:59, 18 September 2019

Herbs, perennial, strongly tufted, to 4 dm. Rhizomes densely short-branched. Culms terete. Cataphylls several. Leaves: blade absent or rarely present, to 1 cm. Inflorescences 2–5-flowered, loosely compact; primary bract usually longer than inflorescence. Flowers pedicellate; tepals brown to chestnut brown with green midstripe, lanceolate or widely so, (4–)5–8 mm, margins clear; inner series loosely subtending capsule at maturity, shorter; stamens 6, filaments 0.7–1 mm, anthers 1.1–1.6 mm; style 0.2 mm. Capsules brown to chestnut brown, 3-locular, oblate, 4.5–7(–8) × 1.8–2.2 mm, nearly equal to or exceeding perianth. Seeds amber, body oblate, 0.5–0.6 mm.


Phenology: Flowering and fruiting summer.
Habitat: Exposed slopes, stream banks, and meadows in montane and alpine areas
Elevation: 1600–4000 m

Distribution

V22 542-distribution-map.jpg

Alta., B.C., N.W.T., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

Discussion

Plants with capsules distinctly longer than the perianth have been referred to as Juncus drummondii var. subtriflorus. Those plants frequently occur sympatrically with J. drummondii (strict sense) through most of its range, leaving considerable doubt as to the value of recognizing such variation.

Selected References

None.

Lower Taxa

None.
... more about "Juncus drummondii"
Ralph E. Brooks* +  and Steven E. Clemants* +
E. Meyer in C. F. von Ledebour +
Drummond's rush +
Alta. +, B.C. +, N.W.T. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1600–4000 m +
for Thomas Drummond +
Exposed slopes, stream banks, and meadows in montane and alpine areas +
Flowering and fruiting summer. +
in C. F. von Ledebour,Flora Rossica +
Juncus compressus var. subtriflorus +, Juncus drummondii var. longifructus +, Juncus drummondii var. subtriflorus +, Juncus subtriflorus +  and Juncus pauperculus +
Juncus drummondii +
Juncus subg. Genuini +
species +