Difference between revisions of "Eragrostis elongata"
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|publications= | |publications= | ||
|common_names=Long lovegrass | |common_names=Long lovegrass | ||
+ | |special_status={{Treatment/ID/Special_status | ||
+ | |code=I | ||
+ | |label=Introduced | ||
+ | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Eragrostis diandra | |name=Eragrostis diandra | ||
− | |authority= | + | |authority= |
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Eragrostis;Eragrostis elongata | |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Eragrostis;Eragrostis elongata | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eragrostis elongata | name=Eragrostis elongata | ||
− | |||
|authority=(Willd.) Jacq. | |authority=(Willd.) Jacq. | ||
|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=S.C.;Pacific Islands (Hawaii);Fla. | |distribution=S.C.;Pacific Islands (Hawaii);Fla. | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
− | |special status= | + | |special status=Introduced |
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_161.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 28-60 cm, erect to decumbent, glabrous below the nodes. Sheaths glabrous, apices sparsely hairy, hairs to 2 mm; ligules 0.3-0.4 mm; blades 5-20 cm long, 0.8-3 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces scabridulous, occasionally hairy near the base. Panicles terminal, (5)8-20(22) cm long, 1-3.5 cm wide, spicate to narrowly ovate, branches condensed into glomerate lobes; primary branches 0.8-3 cm, appressed or diverging up to 90° from the rachises, spikelet-bearing to the base; pulvini glabrous; pedicels 0.2-1.3 mm, flat¬tened, mostly appressed, all shorter than the spikelets. Spikelets 3-7 mm long, 1.8-2.4 mm wide, linear-lanceolate, stramineous with a reddish-purple tinge, with 8-18 florets; disarticulation acropetal, glumes first, then the lemmas, paleas persistent. Glumes subequal, 1.2-2 mm, narrowly lanceolate to lanceolate, membranous; lemmas 1.5-2.2 mm, lanceolate to ovate, leathery, greenish, lateral veins conspicuous, apices acute; paleas 1.1-1.7 mm, hyaline, narrower than the lemmas, keels ciliate, cilia to 0.2 mm, apices obtuse to acute; anthers 2, 0.2-0.3 mm, purplish. Caryopses 0.4-0.5 mm, ovoid, not grooved, smooth, light brown. 2n = unknown.
Distribution
S.C., Pacific Islands (Hawaii), Fla.
Discussion
Eragrostis elongata is native to southeastern Asia and Australia, where it grows in disturbed, sandy soils at 0-50 m. It was collected once near Washington, D.C., probably as an escape from the U.S. Department of Agriculture's experimental grass garden; it has not become established in the Flora region.
Selected References
None.