Difference between revisions of "Imperata brasiliensis"
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|common_names=Brazilian bladygrass;Brazilian satintail | |common_names=Brazilian bladygrass;Brazilian satintail | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|distribution=Puerto Rico;La.;Ala.;Miss.;S.C.;Fla. | |distribution=Puerto Rico;La.;Ala.;Miss.;S.C.;Fla. | ||
| − | |discussion=<p>The current range of Imperata brasiliensis includes South America and Central America, Mexico, and Cuba. It is now thought to be established in the south¬eastern United States, although it is considered to be eliminated from Florida (Hall 1978); collections of Imperata made there since 1970 having proved to be I. cylindrica. The two species differ in the number of their stamens and the frequent absence of the lower lemma in I. brasiliensis.</p><!-- | + | |discussion=<p>The current range of <i>Imperata brasiliensis</i> includes South America and Central America, Mexico, and Cuba. It is now thought to be established in the south¬eastern United States, although it is considered to be eliminated from Florida (Hall 1978); collections of <i>Imperata</i> made there since 1970 having proved to be <i>I. cylindrica</i>. The two species differ in the number of their stamens and the frequent absence of the lower lemma in <i>I. brasiliensis</i>.</p><!-- |
| − | --><p>Imperata brasiliensis is listed as a noxious weed by the U.S. Department of Agriculture. Burning stimulates its flowering; consequently many specimens have burned leaves.</p> | + | --><p><i>Imperata brasiliensis</i> is listed as a noxious weed by the U.S. Department of Agriculture. Burning stimulates its flowering; consequently many specimens have burned leaves.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Imperata brasiliensis | name=Imperata brasiliensis | ||
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|authority=Trin. | |authority=Trin. | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Linda A. Vorobik | + | |illustrator=Linda A. Vorobik;Hana Pazdírková |
| + | |illustration copyright=Utah State University | ||
|distribution=Puerto Rico;La.;Ala.;Miss.;S.C.;Fla. | |distribution=Puerto Rico;La.;Ala.;Miss.;S.C.;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_1520.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Andropogoneae | |tribe=Poaceae tribe Andropogoneae | ||
Latest revision as of 17:57, 11 May 2021
Culms 22-98 cm. Ligules 0.5-1.7 mm; blades 3-13(19) mm wide, linear-lanceolate. Panicles 7.5-14(17) cm; lower branches 1-3.5 cm, appressed. Callus hairs 7-13 mm; glumes 2.4-4.5 mm; lower lemmas 1-3.4 mm long, 0.5-1.1 mm wide; upper lemmas usually absent, if present, about 1 mm long, 0.3 mm wide; stamens 1, bases of the filaments dilated; anthers 1.4-2.8 mm; styles 1.1-4.7 mm; stigmas 2.4-6.7 mm. 2n = unknown.
Distribution
Puerto Rico, La., Ala., Miss., S.C., Fla.
Discussion
The current range of Imperata brasiliensis includes South America and Central America, Mexico, and Cuba. It is now thought to be established in the south¬eastern United States, although it is considered to be eliminated from Florida (Hall 1978); collections of Imperata made there since 1970 having proved to be I. cylindrica. The two species differ in the number of their stamens and the frequent absence of the lower lemma in I. brasiliensis.
Imperata brasiliensis is listed as a noxious weed by the U.S. Department of Agriculture. Burning stimulates its flowering; consequently many specimens have burned leaves.
Selected References
None.