Difference between revisions of "Eleocharis melanocarpa"
Ann. Lyceum Nat. Hist. New York 3: 311. 1836.
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|elevation=10–300 m | |elevation=10–300 m | ||
|distribution=Ala.;Fla.;Ga.;Ind.;Mass.;Mich.;N.Y.;N.C.;R.I.;S.C.;Tex.;Va. | |distribution=Ala.;Fla.;Ga.;Ind.;Mass.;Mich.;N.Y.;N.C.;R.I.;S.C.;Tex.;Va. | ||
| − | |discussion=<p>Eleocharis melanocarpa is reported from Rhode Island; I have not seen a voucher specimen.</p> | + | |discussion=<p><i>Eleocharis melanocarpa</i> is reported from Rhode Island; I have not seen a voucher specimen.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1836 | |publication year=1836 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V23/V23_125.xml |
|genus=Eleocharis | |genus=Eleocharis | ||
|subgenus=Eleocharis subg. Eleocharis | |subgenus=Eleocharis subg. Eleocharis | ||
Revision as of 16:05, 18 September 2019
Culms to 2 times wider than thick, 35–60(–70) cm × 0.5–1.3 mm, hard, usually with to 10 blunt ribs, at 20X often finely ridged and minutely granular. Leaves: distal leaf sheaths brown to reddish. Spikelets 3–12 × 3–4 mm; proximal scale amplexicaulous, 3.5–4 mm, midrib region very broad and fleshy, apex entire; subproximal scale with a flower; floral scales 30–40, 8–10 per mm of rachilla, orange-brown to stramineous, midrib region stramineous, broadly ovate, papery or sometimes membranous, 3–4 × 2 mm, apex entire, rounded. Flowers: perianth bristles present, sometimes rudimentary, brown, length variable, obscurely retrorsely spinulose; anthers brown, 1.7–2.2 mm. Achenes subdeltoid in outline, sometimes broadly obpyriform, equilaterally trigonous, angles prominent, 0.9–1.2 × 0.7–1.1 mm, apex truncate. Tubercles sessile, depressed-pyramidal, often apiculate, as wide as achene, 0.3–0.5 × 0.7–1.1 mm.
Phenology: Fruiting summer.
Habitat: Fresh, oligotrophic, acid, sandy or peaty, often drying shores, ponds, ditches
Elevation: 10–300 m
Distribution
Ala., Fla., Ga., Ind., Mass., Mich., N.Y., N.C., R.I., S.C., Tex., Va.
Discussion
Eleocharis melanocarpa is reported from Rhode Island; I have not seen a voucher specimen.
Selected References
None.