Difference between revisions of "Carex arctiformis Mackenzie in N. L. Britton et al. (Q178)"
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Latest revision as of 12:38, 24 June 2022
Carex arctiformis is a taxon with the rank species within the section Carex sect. Glareosae
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Carex arctiformis Mackenzie in N. L. Britton et al.
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Carex arctiformis is a taxon with the rank species within the section Carex sect. Glareosae
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Statements
taxon/id/Carex arctiformis Mackenzie
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Carex arctiformis Mackenzie
Carex arctiformis
Mackenzie
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/
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US-AK
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Plants densely cespitose, in large clumps;
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Culms erect, strict, stoutish (2.5–4 mm at base), (15–) 20–50 cm.
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Leaves: sheaths pale-brown abaxially, inner band hyaline, concave at summit;
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ligules slightly longer than wide, acutish;
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blades pale gray-green to bluish green, flat, 10–30 cm × 2–4 mm, subequal to shorter than culms.
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Inflorescences 1.5–3 (–4) cm × 8–14 mm;
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proximal bracts shorter than to exceeding spikes;
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distal bracts scalelike.
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Spikes 3–6, gynecandrous, closely approximate, proximal spikes only slightly separate, containing 15–30 perigynia, ovoid to short-oblong, 6–10 × 4–6 mm;
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terminal spike staminate for less than 1/2 of length, not or scarcely clavate.
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Pistillate scales dull green-white, often redbrown tinged, midvein green, margins white-hyaline, ovate, subequal to somewhat concealing perigynia, apex cuspidate to acute.
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Perigynia appressed-ascending, gray-green, sometimes dark-brown in age, obscurely many-veined faces, ovate-elliptic, 2.5–3 × 1.5 mm, widest near middle, membranous;
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beak nearly entire or few marginal teeth.
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slightly longer than wide
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