Difference between revisions of "Axonopus fissifolius"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Axonopus affinis | |name=Axonopus affinis | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Axonopus;Axonopus fissifolius | |hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Axonopus;Axonopus fissifolius | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Axonopus fissifolius | name=Axonopus fissifolius | ||
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|authority=(Raddi) Kuhlm. | |authority=(Raddi) Kuhlm. | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Karen Klitz | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Puerto Rico;Va.;Okla.;Miss.;Tex.;La.;Calif.;Ala.;N.C.;S.C.;Pacific Islands (Hawaii);Ga.;Fla.;Ark. | |distribution=Puerto Rico;Va.;Okla.;Miss.;Tex.;La.;Calif.;Ala.;N.C.;S.C.;Pacific Islands (Hawaii);Ga.;Fla.;Ark. | ||
|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_1437.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Latest revision as of 17:57, 11 May 2021
Plants usually cespitose, sometimes stoloniferous, nodes of the stolons often pilose. Culms 10-75 cm, erect or depressed-decumbent; cauline nodes glabrous or slightly pubescent. Sheaths compressed, mostly glabrous, margins ciliate; ligules 0.2-0.4 mm; blades 4-15 cm long, 1.5-6 mm wide, flat, mostly glabrous, margins with papillose-based cilia. Panicles terminal and axillary, 5-11 cm overall, rachises to 3 cm, with 2-7 branches; branches 2-9(12) cm, spreading or ascending. Spikelets 1.6-2.2(2.8) mm, ovoid or ellipsoid, obtuse to acute. Upper glumes and lower lemmas scarcely extending beyond the upper florets, 2-veined, margins sparsely pilose, apices obtuse to subacute; upper lemmas and paleas 1.6-2.1 mm long, 0.5-0.7 mm wide. Caryopses 1.5-1.8 mm, gray. 2n = 20, 40, 80, 100.
Distribution
Puerto Rico, Va., Okla., Miss., Tex., La., Calif., Ala., N.C., S.C., Pacific Islands (Hawaii), Ga., Fla., Ark.
Discussion
Axonopus fissifolius is sometimes used as a lawn or pasture grass, but it is also an invasive weedy species, often growing in moist, disturbed sites. It is native in the southeastern United States and from central Mexico south to Bolivia and Argentina. It has also been introduced into tropical and subtropical regions of the Eastern Hemisphere.
Selected References
None.