Difference between revisions of "Carex gracilescens"
Syn. Pl. Glumac. 2: 226. 1855.
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|common_names=Carex grêle | |common_names=Carex grêle | ||
+ | |special_status={{Treatment/ID/Special_status | ||
+ | |code=F | ||
+ | |label=Illustrated | ||
+ | }}{{Treatment/ID/Special_status | ||
+ | |code=E | ||
+ | |label=Endemic | ||
+ | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Carex laxiflora var. gracillima | |name=Carex laxiflora var. gracillima | ||
|authority=Boott | |authority=Boott | ||
+ | |rank=variety | ||
}} | }} | ||
|hierarchy=Cyperaceae;Carex;Carex sect. Laxiflorae;Carex gracilescens | |hierarchy=Cyperaceae;Carex;Carex sect. Laxiflorae;Carex gracilescens | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex gracilescens | name=Carex gracilescens | ||
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|authority=Steudel | |authority=Steudel | ||
|rank=species | |rank=species | ||
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|publication title=Syn. Pl. Glumac. | |publication title=Syn. Pl. Glumac. | ||
|publication year=1855 | |publication year=1855 | ||
− | |special status= | + | |special status=Illustrated;Endemic |
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_804.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Laxiflorae | |section=Carex sect. Laxiflorae |
Latest revision as of 21:43, 5 November 2020
Culms densely tufted, ascending, lax or, occasionally, decumbent, 13–78 cm × 0.8–1 mm. Leaves: basal sheaths purple or purple tinged; sheaths 2–42 mm; blades ascending or lax, erect, green or yellow-green, midrib developed adaxially, 2 lateral veins abaxially, 19–38 cm × 1–5 mm, blades of overwintering leaves smooth. Inflorescences: peduncles proximal pistillate spikes to 11 cm, distal spike sessile; staminate spike 0.5–10.6 cm. Bracts 0.5–11.2 cm × 0.5–4 mm, angles of bract sheath denticulate; bract blade of distal lateral spikes linear, narrower than spikes, not concealing them; widest bract blade of distalmost lateral spike 0.5–3.4 mm wide. Spikes (3–)4(–5) per culm; lateral spikes 5–27 × 3–4 mm; internode between proximal scales in proximal spike 1.1–3.2(–4.8) mm; terminal spike linear, 11–21 × 1–2.2 mm. Pistillate scales 2.8–3 × 1–1.2 mm, apex acute to aristate, awn to 1 mm. Staminate scales 3.5–4 × 1.2–1.5 mm, margins hyaline, purple-brown or brownish purple tinged, apex acute. Anthers 2.6–3 mm. Perigynia 4–12 per spike, closely overlapping, aggregated, ascending, conspicuously (22–)25–32-veined, elliptic-obovate, 2.8–3 × 1.5–1.8 mm, 1.8–2.7 times long as wide; beak abruptly bent, 0.2–0.8 mm. Achenes obovoid, 2.6–2.8 × 1.3–1.6 mm. 2n = 33, 38, 40.
Phenology: Fruiting spring.
Habitat: Moist to dry deciduous or mixed deciduous-evergreen forests or woodland edges in partial shade, frequently on limestone or chalk, on clay or marl soils, stream bottoms or on steep slopes
Elevation: 0–600 m
Distribution
![V23 804-distribution-map.jpg](/w/images/6/6f/V23_804-distribution-map.jpg)
Ont., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Ky., Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., Tenn., Tex., Va., W.Va., Wis.
Discussion
Selected References
None.