Difference between revisions of "Carex albonigra"
in P. A. Rydberg, Fl. Rocky Mts., 137, 1060. 1917.
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|accepted_name=Carex albonigra | |accepted_name=Carex albonigra | ||
| − | |accepted_authority=Mackenzie | + | |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 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex albonigra | name=Carex albonigra | ||
| − | |authority=Mackenzie | + | |authority=Mackenzie |
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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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= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_725.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 10–30 cm, distally finely scabrous. Leaves 2.5–5 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes contiguous, overlapping, erect, distinct, short-pendunculate, short-oblong or elongate, 8–20 × 4–7 mm; lateral 1–3 spikes pistillate pedunculate, of similar length; terminal spike gynecandrous. Pistillate scales light to dark brown with hyaline margins, broadly lanceolate or ovate, equaling perigynia, midvein same color as body, inconspicuous, raised, prominent, short-mucronate. Perigynia ascending, chestnut, veinless, ovate, 3–3.5 × 2–2.5 mm, apex abruptly beaked, papillose; beak 0.3–0.4 mm, entire or shallowly bidentate, smooth. Achenes nearly filling body of perigynia. 2n = 52, 54.
Phenology: Fruiting Jun–Aug.
Habitat: Alpine meadows, fellfields
Elevation: 300–3900 m
Distribution
Alta., B.C., N.W.T., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., N.Mex., Utah, Wash., Wyo.
Discussion
Specimens from California determined as Carex albonigra are provisionally assigned here; these need further study because they differ from the typical Rocky Mountain forms.
Selected References
None.