Difference between revisions of "Eleocharis lanceolata"
Proc. Amer. Acad. Arts 34: 493, figs. 27–29. 1899.
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|elevation=0–400 m | |elevation=0–400 m | ||
|distribution=Ark.;Calif.;Kans.;La.;Mo.;Okla.;Tenn.;Tex. | |distribution=Ark.;Calif.;Kans.;La.;Mo.;Okla.;Tenn.;Tex. | ||
− | |discussion=<p>Some collections of Eleocharis lanceolata from Tennessee appear to be intermediate with E. obtusa. The California record is an introduced rice-field weed collected in 1949.</p> | + | |discussion=<p>Some collections of <i>Eleocharis lanceolata</i> from Tennessee appear to be intermediate with <i>E. obtusa</i>. The California record is an introduced rice-field weed collected in 1949.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1899 | |publication year=1899 | ||
|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_157.xml |
|genus=Eleocharis | |genus=Eleocharis | ||
|subgenus=Eleocharis subg. Eleocharis | |subgenus=Eleocharis subg. Eleocharis |
Revision as of 16:05, 18 September 2019
Culms 20–35 cm × 0.3–1 mm. Leaves: apex of distal leaf sheath subacute to narrowly acute, tooth to 0.3(–1.1) mm. Spikelets narrowly lanceoloid, 3–12 × (1–)2–2.5(–4) mm, apex acute; floral scales 25–100, 10–12 per mm of rachilla, orangebrown to stramineous, ovate, 1.5–2 × 1 mm, midribs mostly keeled, apex acute or narrowly rounded in proximal part of spikelet. Flowers: perianth bristles 6–7, brown, stout, the longest equaling or exceeding tubercle; stamens 2–3; anthers brown, 0.3 mm; styles 2-fid. Achenes 0.9–1.1 × 0.6–0.8 mm. Tubercles deltoid, 0.25–0.5 × 0.5–0.7 mm, 1/2–2/3 as high as wide, 1/4–1/2 as high and 2/3–4/5 as wide as achene. 2n = 10.
Phenology: Fruiting summer to fall.
Habitat: Fresh shores, stream beds, pine woods, disturbed places
Elevation: 0–400 m
Distribution
![V23 157-distribution-map.jpg](/w/images/a/a0/V23_157-distribution-map.jpg)
Ark., Calif., Kans., La., Mo., Okla., Tenn., Tex.
Discussion
Some collections of Eleocharis lanceolata from Tennessee appear to be intermediate with E. obtusa. The California record is an introduced rice-field weed collected in 1949.
Selected References
None.