View source for Carex albonigra

{{Treatment/ID
|accepted_name=Carex albonigra
|accepted_authority=Mackenzie in P. A. Rydberg
|publications={{Treatment/Publication
|title=in P. A. Rydberg, Fl. Rocky Mts.,
|place=137, 1060. 1917
|year=1917
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Racemosae;Carex albonigra
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Carex]]</div><div class="higher-taxon"><small>section</small>[[Carex sect. Racemosae]]</div><div class="higher-taxon"><small>species</small>[[Carex albonigra]]</div></div>
|volume=Volume 23
|mention_page=page 403, 404
|treatment_page=page 405
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose. <b>Culms</b> 10–30 cm, distally finely scabrous. <b>Leaves</b> 2.5–5 mm wide. <b>Inflorescences</b>: 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. <b>Pistillate</b> scales light to dark brown with hyaline margins, broadly lanceolate or ovate, equaling perigynia, midvein same color as body, inconspicuous, raised, prominent, short-mucronate. <b>Perigynia</b> 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. <b>Achenes</b> nearly filling body of perigynia. <b>2n</b> = 52, 54.</span><!--

-->{{Treatment/Body
|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=<p>Specimens from California determined as <i>Carex albonigra</i> are provisionally assigned here; these need further study because they differ from the typical Rocky Mountain forms.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Carex albonigra
|author=
|authority=Mackenzie in P. A. Rydberg
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|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.
|reference=None
|publication title=in P. A. Rydberg, Fl. Rocky Mts.,
|publication year=1917
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V23/V23_725.xml
|genus=Carex
|section=Carex sect. Racemosae
|species=Carex albonigra
}}<!--

-->[[Category:Treatment]][[Category:Carex sect. Racemosae]]