Difference between revisions of "Carex albonigra"
in P. A. Rydberg, Fl. Rocky Mts., 137, 1060. 1917.
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|elevation=300–3900 m | |elevation=300–3900 m | ||
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;N.Mex.;Utah;Wash.;Wyo. | |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 Carex albonigra are provisionally assigned here; these need further study because they differ from the typical Rocky Mountain forms.</p> | + | |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= | |tables= | ||
|references= | |references= | ||
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|publication year=1917 | |publication year=1917 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V23/V23_725.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Racemosae | |section=Carex sect. Racemosae | ||
Revision as of 16:10, 18 September 2019
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.