Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Ont., Que.; Ark., Conn., Del., D.C., Ga., Ill., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Y., Ohio, Pa., S.Dak., Tenn., Vt., Va., W.Va., Wis.
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Physical Description

Morphology

Description

Plants without conspicuous rhizomes. Culms 30–100 cm, 3–6 mm wide basally, 0.7–1.1 mm wide distally. Leaves: proximal sheaths loose, longitudinally green-and-white-striped, green-and-white-mottled, with prominent cross veins on backs, fronts hyaline and transversely rugose; ligules 3–8 mm, as long as wide; widest leaf blades 5–10 mm wide. Inflorescences with 6–15 spikes, 3–15 cm × 8–12 mm, occasionally compound and then somewhat larger; proximal internodes usually 20+ mm, more than 2 times as long as proximal spikes; proximal bracts to 2 cm; spikes with up to 50 ascending to spreading perigynia. Pistillate scales hyaline with green midvein, ovate to subcircular, 1.8–2.5 × 1.1–1.8 mm, body 1/2 length of perigynium, apex obtuse to acuminate or short-awned. Anthers 0.7–1.3 mm. Perigynia pale green, with wing 0.1–0.2 mm wide distally, veinless or weakly veined abaxially, 3.3–4.3 × 1.5–2.5 mm, margins serrulate distally; beak 0.8–1.2 mm, apical teeth 0.2–0.4 mm. Achenes suborbiculate, 1.7–2.2 × 1.5–1.8 mm. 2n = 46, 48.
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Ecology

Habitat

Dry to moist deciduous and mixed forests, forest edges, on neutral or basic soils; 50–300m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Fruiting late spring–early summer.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Carex sparganioides

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Carex sparganioides

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 10
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: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Carex sparganioides

Bur-reed sedge (Carex sparganioides) is a perennial plant belonging to the sedge family (Cyperaceae). Its native range includes most of the Eastern and Central U.S., and it is typically found in hardwood or mixed forests.[1] It typically grows 30–100 centimeters (12–39 in) high, and contains teardrop-shaped seed sacs within egg-shaped spikelets.[2]

Carex sparganioides is considered endangered in Maine and New Hampshire. Good for soil stabilization on shaded slopes.[3]

References[edit]

  1. ^ Maine Department of Conservation Natural Areas Program
  2. ^ Young, Dick. Kane County Wild Plants & Natural Areas. 2nd Ed. 1994
  3. ^ USDA PLANTS Database
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