Difference between revisions of "Carex fissa"
in N. L. Britton et al., N. Amer. Fl. 18: 64. 1931.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Carex fissa | |accepted_name=Carex fissa | ||
| − | |accepted_authority=Mackenzie | + | |accepted_authority=Mackenzie |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton et al., N. Amer. Fl. | |title=in N. L. Britton et al., N. Amer. Fl. | ||
|place=18: 64. 1931 | |place=18: 64. 1931 | ||
|year=1931 | |year=1931 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Fla.;Ga.;Kans.;Miss.;Mo.;Okla.;Tex. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
--><p><i>Carex fissa</i> can be distinguished from other taxa in the section by the conspicuously larger perigynia. The two distjunct varieties appear to be consistently separable by the characteristics provided below and may warrant recognition as distinct species.</p> | --><p><i>Carex fissa</i> can be distinguished from other taxa in the section by the conspicuously larger perigynia. The two distjunct varieties appear to be consistently separable by the characteristics provided below and may warrant recognition as distinct species.</p> | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex fissa | name=Carex fissa | ||
| − | + | |authority=Mackenzie | |
| − | |authority=Mackenzie | ||
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|basionyms= | |basionyms= | ||
|family=Cyperaceae | |family=Cyperaceae | ||
| − | |distribution= | + | |distribution=Fla.;Ga.;Kans.;Miss.;Mo.;Okla.;Tex. |
|reference=None | |reference=None | ||
|publication title=in N. L. Britton et al., N. Amer. Fl. | |publication title=in N. L. Britton et al., N. Amer. Fl. | ||
|publication year=1931 | |publication year=1931 | ||
| − | |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_480.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Multiflorae | |section=Carex sect. Multiflorae | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Carex sect. Multiflorae]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Carex sect. Multiflorae]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:35, 6 November 2020
Culms to 80 cm × 3–8 mm, scabrous. Leaves: sheath fronts not spotted, slightly thickened near hyaline margins, apex convex, membranous, rugose; ligule retuse or rounded, to 3 mm, free limb to 0.2 mm; blades 60 cm × 5 mm, shorter than flowering stem. Inflorescences spicate, 3–7 cm × 15–25 mm, with 10–15 branches, proximal branches not distinctly separate; the proximal internode to 10 mm; bracts setaceous, usually only the proximal conspicuous. Scales hyaline, pale brown, becoming colorless with green midrib, awn usually not longer than the body. Perigynia pale brown, body broadly ovate, 3.2–4 × 2–2.6 mm, base rounded or cordate, apex abruptly contracted to beak; beak 1.3–1.5 mm, 1/3 length of perigynium. Achenes brown, ovate, 1.5–1.9 × 1.2–1.6 mm, dull.
Distribution
Fla., Ga., Kans., Miss., Mo., Okla., Tex.
Discussion
Varieties 2 (2 in the flora).
Carex fissa can be distinguished from other taxa in the section by the conspicuously larger perigynia. The two distjunct varieties appear to be consistently separable by the characteristics provided below and may warrant recognition as distinct species.
Selected References
None.
Lower Taxa
Key
| 1 | Awn of pistillate scale to 0.5–1.5 mm; perigynia veinless adaxially. | Carex fissa var. fissa |
| 1 | Awn of pistillate scale to 1–3 mm; perigynia 3–5-veined adaxially. | Carex fissa var. aristata |