Difference between revisions of "Carex nelsonii"

Mackenzie

in P. A. Rydberg, Fl. Rocky Mts., 137, 1060. 1917.

IllustratedEndemic
Synonyms: Carex estesiana Kelso
Treatment appears in FNA Volume 23. Treatment on page 412. Mentioned on page 402, 410.
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|accepted_name=Carex nelsonii
 
|accepted_name=Carex nelsonii
|accepted_authority=Mackenzie in P. A. Rydberg
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|accepted_authority=Mackenzie
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
 
|title=in P. A. Rydberg, Fl. Rocky Mts.,
 
|title=in P. A. Rydberg, Fl. Rocky Mts.,
 
|place=137, 1060. 1917
 
|place=137, 1060. 1917
 
|year=1917
 
|year=1917
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name=Carex nelsonii
 
name=Carex nelsonii
|authority=Mackenzie in P. A. Rydberg
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|authority=Mackenzie
 
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|publication title=in P. A. Rydberg, Fl. Rocky Mts.,
 
|publication title=in P. A. Rydberg, Fl. Rocky Mts.,
 
|publication year=1917
 
|publication year=1917
|special status=
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|special status=Illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_746.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_746.xml
 
|genus=Carex
 
|genus=Carex
 
|section=Carex sect. Racemosae
 
|section=Carex sect. Racemosae

Latest revision as of 20:42, 5 November 2020

Plants densely cespitose. Culms 15–30 cm, distally finely scabrous. Leaves 3–4 mm wide. Inflorescences: proximal bracts usually shorter than or, occasionally, equaling inflorescences; spikes contiguous, overlapping, forming dense terminal cluster or proximal spike sometimes distinct and separate, sessile or short-pedunculate, short-oblong, 10–12 × 5–8 mm; lateral 2–3 spikes pistillate; terminal spike gynecandrous. Pistillate scales blue-black to margins, lanceolate, shorter than, less frequently as long as, and as broad as perigynia, midvein same color as body, inconspicuous or lighter colored and conspicuous, apex acute. Perigynia ascending, yellow green, golden brown or if dark brown with yellow margins, veinless, narrowly elliptic, 3.5–4 × 1.5–1.75 mm, apex gradually beaked, distally papillose; beak 0.8–1 mm, bidentate, occasionally serrulate. Achenes filling proximal 1/2 or less of perigynia.


Phenology: Fruiting Jul–Aug.
Habitat: Moist alpine meadows, rocky slopes
Elevation: 2900–3900 m

Discussion

Carex nelsonii appears to be similar to the Asian C. oligantha Steudel.

Selected References

None.

Lower Taxa

None.