Difference between revisions of "Eragrostis elliottii"
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name=Eragrostis elliottii | name=Eragrostis elliottii | ||
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|authority=S. Watson | |authority=S. Watson | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Puerto Rico;Virgin Islands;Okla.;Miss.;Tex.;La.;Ark.;Mo.;Ala.;Fla.;Ga.;N.C.;S.C. | |distribution=Puerto Rico;Virgin Islands;Okla.;Miss.;Tex.;La.;Ark.;Mo.;Ala.;Fla.;Ga.;N.C.;S.C. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_158.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 17:57, 11 May 2021
Plants perennial; cespitose, with innovations, without rhizomes, not glandular. Culms 25-80 cm, erect, glabrous and shiny below the basal nodes. Sheaths sparsely hairy at the apices, hairs to 6 mm; ligules 0.2-0.4 mm; blades 6-30(52) cm long, 2-4.5 mm wide, flat, abaxial surfaces glabrous, adaxial surfaces scabridulous, some¬times with a few scattered hairs near the base. Panicles (25)30-60 cm long, 15—45 cm wide, broadly ovate to obovate, open, diffuse; primary branches mostly 5-25(32) cm, diverging 20-90° from the rachises, capillary; pulvini hairy; pedicels (4)10-35(50) mm, widely diverging, capillary, all the pedicels on each branch longer than the spikelets. Spikelets 4-18 mm long, 1.4-3 mm wide, linear-lanceolate, grayish-green or stramineous to purplish, with (6)9-30 florets; disarticulation acropetal, below the lemmas, paleas persistent. Glumes narrowly lanceolate, membranous; lower glumes 1.1-3.4 mm; upper glumes 1.6-3.4 mm, apices acuminate; lemmas 1.8-4.4 mm, lanceolate, membranous, lateral veins evident to inconspicuous, sometimes greenish, apices acute to acuminate; paleas 1.1-3.5 mm, hyaline to membranous, narrower than the lemmas, apices obtuse; anthers 2, 0.3-0.8 mm, purplish or brownish. Caryopses 0.6-0.8 mm, ovoid to ellipsoid, finely striate, reddish-brown. 2n = unknown.
Distribution
Puerto Rico, Virgin Islands, Okla., Miss., Tex., La., Ark., Mo., Ala., Fla., Ga., N.C., S.C.
Discussion
Eragrostis elliottii grows in sandy pinelands and live-oak woodlands on the coastal plain, at 0-150 m. Its range extends from the southeastern United States through the West Indies and Gulf coast of Mexico to Central and South America.
Selected References
None.