Difference between revisions of "Eleocharis flavescens"
Symb. Antill. 4: 116. 1903.
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}} | }} | ||
|common_names=Pale spike-rush;wrinkle-sheathed spike-rush | |common_names=Pale spike-rush;wrinkle-sheathed spike-rush | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Scirpus flavescens | |name=Scirpus flavescens | ||
|authority=Poiret | |authority=Poiret | ||
| + | |rank=species | ||
| + | |publication_title=in J. Lamarck et al., Encycl. | ||
| + | |publication_place=6: 756. 1804 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=N.B.;N.S.;Ont.;Que.;Ala.;Ariz.;Ark.;Calif.;Conn.;Del.;Fla.;Ga.;Idaho;Ill.;Ind.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mont.;N.C.;N.H.;N.J.;N.Y.;Ohio;Pa.;R.I.;S.C.;Tex.;Utah;Va.;Vt.;Wis.;Wyo.;temperate North America;West Indies;South America. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
| − | --><p>The varieties of Eleocharis flavescens are difficult to delimit, especially in the south, and identifications of some specimens to variety are problematic.</p> | + | --><p>The varieties of <i>Eleocharis flavescens</i> are difficult to delimit, especially in the south, and identifications of some specimens to variety are problematic.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eleocharis flavescens | name=Eleocharis flavescens | ||
| − | |||
|authority=(Poiret) Urban | |authority=(Poiret) Urban | ||
|rank=species | |rank=species | ||
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|basionyms=Scirpus flavescens | |basionyms=Scirpus flavescens | ||
|family=Cyperaceae | |family=Cyperaceae | ||
| − | |distribution= | + | |distribution=N.B.;N.S.;Ont.;Que.;Ala.;Ariz.;Ark.;Calif.;Conn.;Del.;Fla.;Ga.;Idaho;Ill.;Ind.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mont.;N.C.;N.H.;N.J.;N.Y.;Ohio;Pa.;R.I.;S.C.;Tex.;Utah;Va.;Vt.;Wis.;Wyo.;temperate North America;West Indies;South America. |
|reference=None | |reference=None | ||
|publication title=Symb. Antill. | |publication title=Symb. Antill. | ||
|publication year=1903 | |publication year=1903 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_148.xml |
|genus=Eleocharis | |genus=Eleocharis | ||
|subgenus=Eleocharis subg. Eleocharis | |subgenus=Eleocharis subg. Eleocharis | ||
| Line 68: | Line 74: | ||
}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Eleocharis (sect. Eleogenus) ser. Maculosae]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Eleocharis (sect. Eleogenus) ser. Maculosae]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:37, 6 November 2020
Plants with creeping rhizomes 0.5–1 mm thick. Culms 3–42 cm × 0.3–0.6 mm. Leaves: distal leaf sheaths often disintegrating, thinly membranous-translucent, inflated distally, often wrinkled, apex blunt. Spikelets ellipsoid, 1.5–9 × 1–3.5 mm, apex acute to acuminate; proximal scale without flower, not amplexicaulous; floral scales to 65, 5–7 per mm of rachilla, loosely appressed to appressed, elliptic, 1–3 × 0.4–1.6 mm, membranous, apex acute. Flowers: perianth bristles (0–)5–8, typically 7, white to stramineous, spinules dense to few; styles 2-fid, rarely 3-fid. Achenes stramineous to green or dark brown, biconvex, rarely trigonous, obovoid to obpryiform, 0.4–1.1 × 0.3–0.8 mm, very finely reticulate at 40X. Tubercles whitish to stramineous or green, 0.2–0.7 × 0.2–0.4 mm, apex acute to acuminate.
Distribution
N.B., N.S., Ont., Que., Ala., Ariz., Ark., Calif., Conn., Del., Fla., Ga., Idaho, Ill., Ind., La., Maine, Mass., Md., Mich., Minn., Miss., Mont., N.C., N.H., N.J., N.Y., Ohio, Pa., R.I., S.C., Tex., Utah, Va., Vt., Wis., Wyo., temperate North America, West Indies, South America.
Discussion
Varieties 2 (2 in the flora).
The varieties of Eleocharis flavescens are difficult to delimit, especially in the south, and identifications of some specimens to variety are problematic.
Selected References
None.
Key
| 1 | Achenes red-brown to dark brown when ripe, 0.4–0.8(–1.1) × 0.3–0.6 mm, apex rarely highly constricted proximal to tubercle; flowers with perianth bristles typically shorter than to as long as achene. | Eleocharis flavescens var. flavescens |
| 1 | Achenes green to golden-brown, 0.5–1.1 × 0.4–0.8 mm, often highly constricted proximal to tubercle; flowers with perianth bristles typically longer than achene. | Eleocharis flavescens var. olivacea |