Difference between revisions of "Eragrostis prolifera"
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name=Eragrostis prolifera | name=Eragrostis prolifera | ||
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|authority=(Sw.) Steud. | |authority=(Sw.) Steud. | ||
|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=Fla. | |distribution=Fla. | ||
|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_160.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 85-130(150) cm, stiffly erect, glabrous below the nodes. Sheaths glabrous or hairy at the apices, hairs to 4 mm; ligules 0.1-0.2 mm; blades 25-50 cm long, 1.5-6 mm wide, flat to involute, glabrous abaxially, scabridulous adaxially, sometimes also with a few scattered hairs near the base. Panicles (10)20-50(60) cm long, 2-8(10) cm wide, narrowly ovate, contracted to open; primary branches mostly 2-14 cm, appressed or diverging up to 50°(90°) from the rachises, spikelets congested near the base of the branches; pulvini glabrous; pedicels 0.3-2.4 mm, appressed, always shorter than the spikelets. Spikelets 3.2-10(12) mm long, 0.7-1.4 mm wide, linear-lanceolate, stramineous to plumbeous, sometimes with a reddish tinge, with (5)8-25 florets; disarticulation acropetal, glumes first, then the lemmas, paleas persistent. Glumes subequal, ovate to lanceolate, hyaline; lower glumes 1-1.5 mm; upper glumes 1.1-1.6 mm; lemmas 1.1-1.8(2) mm, ovate, membranous, apices acute; paleas 0.8-1.7 mm, hyaline, narrower than the lemmas, apices obtuse to truncate; anthers 2, 0.2-0.3 mm, purplish. Caryopses 0.6-0.9 mm, ovoid, flattened ventrally, finely striate, reddish-brown. 2n = 40.
Discussion
Eragrostis prolifera grows on beaches, in brackish water, and along roadsides, at elevations below 5 m in Florida. Its range extends southward from Florida through Mexico and Central America to Colombia.
Selected References
None.