Carex rariflora — Details

Carex rariflora (Wahlenb.) Sm.:
Canada (North America)
Greenland (North America)
United States (North America)

Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
Böcher, T. W., K. Holmen & K. Jacobsen. 1968. Fl. Greenland (ed. 2) 312 pp. http://www.tropicos.org/Reference/1507
Tolmatchev, A. I. 1966. Cyperaceae. Arktic. Fl. SSSR 3: 1–176. http://www.tropicos.org/Reference/10154
Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327
Gleason, H. A. & A. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York. http://www.tropicos.org/Reference/1495

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Culms phyllopodic, with dead leaf remains at base, 5–35 cm. Leaf blades 1–2.5 mm wide, margins sometimes involute, scabrid at tip. Inflorescences: proximal bracts 0.5-2 cm, much shorter than inflorescences; lateral spikes 6–15 × 3.5–5 mm, with 2–10 perigynia; terminal spikes 6–20 × 1–2.5 mm. Pistillate scales circular-ovate, 3–4.8 × 2.2–3.4 mm, long as and wider than perigynia, apex obtuse, sometimes mucronate. Staminate scales oblanceolate to obovate, 3.2–4.8 × 1.5–2 mm, apex acute to obtuse. Anthers 2–2.5 mm. Perigynia 2.5–4.5 × 1.6–2 mm, apex rounded; beak absent. 2n = 52.

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Diagnostic Description

Synonym

Carex limosa Linnaeus var. rariflora Wahlenberg, Kongl. Vetensk. Acad. Nya Handl. 24: 162. 1803; C. rariflora var. pluriflora (Hultén) T. V. Egorova

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Ecology

Habitat

Habitat & Distribution

Fruiting summer. Open bogs, meadows, seepage slopes, heath; 0–500 m; Greenland; St. Pierre and Miquelon; Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Yukon; Alaska, Maine; subarctic Eurasia.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Carex rariflora

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 16
Species: 40
Species With Barcodes: 1

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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