Carex douglasii Boott in W. J. Hooker (Q160)
Carex douglasii is a taxon with the rank species within the section Carex sect. Divisae
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English |
Carex douglasii Boott in W. J. Hooker
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Carex douglasii is a taxon with the rank species within the section Carex sect. Divisae
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Statements
taxon/id/Carex douglasii Boott
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Carex douglasii Boott
Carex douglasii
Boott
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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CA-BC
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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-AB
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Packer, J.G. & A.J. Gould. 2017.Vascular Plants of Alberta. Part 1: Ferns, Fern Allies, Gymnospermes, and Monocots. University of Calgary Press, Calgary.
CA-SK
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Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-MB
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Manitoba Checklist, 2002
CA-AB
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CA-BC
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CA-SK
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US-AZ
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US-CA
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US-CO
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US-ID
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US-MO
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US-MT
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US-NE
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US-NV
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US-NM
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500–3500 m
500 meter
3,500 meter
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Rhizomes 0.8–1.9 mm thick, shoots often arising 2–several per cluster, many nodes without shoots.
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Culms bluntly trigonous, (8–) 15–40 cm, smooth-angled distally.
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Leaves: basal sheaths pale to dark-brown;
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sheaths with hyaline inner band, apex not prolonged, glabrous;
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blades 1–3 (–3.5) mm wide.
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Inflorescences dense, headlike, 1.2–3.5 (–4.5) cm, 1/2+ as wide as long (if pistillate);
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spikes 6–20 (–25), usually unisexual;
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staminate spikes lanceoloid;
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pistillate spikes ovoid.
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Pistillate scales pale-brown to ± whitish hyaline, hyaline margins, lanceolate to ovate, (4.3–) 4.7–7.5 mm, apex acute to acuminate, satiny to ± dull.
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Anthers (2.5–) 2.8–3.9 mm, apiculus bristly (30X).
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Perigynia brown, essentially veinless, usually stipitate, ovate to broadly elliptic, ± planoconvex, (3–) 3.5–4.2 (–4.8) × 1.2–2.1 mm, dull;
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beak (0.9–) 1.2–1.9 mm, apex hyaline, friable, oblique or obscurely bidentulate.
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pale-brown
more or less whitish hyaline
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