Difference between revisions of "Urochloa mutica"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Panicum purpurascens | |name=Panicum purpurascens | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Brachiaria mutica | |name=Brachiaria mutica | ||
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}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Urochloa;Urochloa mutica | |hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Urochloa;Urochloa mutica | ||
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|distribution=Puerto Rico;Md.;Tex.;Virgin Islands;Ala.;Pacific Islands (Hawaii);S.C.;Fla.;Oreg. | |distribution=Puerto Rico;Md.;Tex.;Virgin Islands;Ala.;Pacific Islands (Hawaii);S.C.;Fla.;Oreg. | ||
| − | |discussion=<p>An African species, Urochloa mutica is grown as a forage crop throughout the tropics, but it tends to become weedy. It grows on moist, disturbed soils and is established in the southeastern United States.</p> | + | |discussion=<p>An African species, <i>Urochloa mutica</i> is grown as a forage crop throughout the tropics, but it tends to become weedy. It grows on moist, disturbed soils and is established in the southeastern United States.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Urochloa mutica | name=Urochloa mutica | ||
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|authority=(Forssk.) T.Q. Nguyen | |authority=(Forssk.) T.Q. Nguyen | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Linda A. Vorobik | + | |illustrator=Linda A. Vorobik;Cindy Roché |
| + | |illustration copyright=Utah State University | ||
|distribution=Puerto Rico;Md.;Tex.;Virgin Islands;Ala.;Pacific Islands (Hawaii);S.C.;Fla.;Oreg. | |distribution=Puerto Rico;Md.;Tex.;Virgin Islands;Ala.;Pacific Islands (Hawaii);S.C.;Fla.;Oreg. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_1312.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Revision as of 20:32, 16 December 2019
Plants perennial; stoloniferous, straggling. Culms to 5 m long, long-decumbent and rooting at the lower nodes, vertical portion 90-200(300) cm; nodes villous. Lower sheaths with papillose-based hairs, these more dense distally, margins ciliate; collars pubescent; ligules 1-1.5 mm; blades 7.5-35 cm long, 4-20 mm wide, glabrous or sparsely pilose on both surfaces, margins scabrous. Panicles 10-25 cm long, 5-10 cm wide, pyramidal, with 10-30 spikelike branches in more than 2 ranks; primary branches 2.5-8 cm long, 0.4-0.9 mm wide, ascending to divergent, axils pubescent, axes flat, glabrous or with a few papillose-based hairs, secondary branches present or absent; pedicels shorter than the spikelets, scabrous, sometimes with hairs. Spikelets 2.6-3.5 mm long, 1-1.4 mm wide, mostly in pairs, in 2-4 rows, appressed to the branches, purplish to green. Glumes scarcely separate, rachilla internodes short not pronounced; lower glumes 0.6-1.1 mm, 1/5 – 1/3 as long as the spikelets, glabrous, 0-1(3)-veined; upper glumes 2.6-3.5 mm, glabrous, 5-(7)-veined, without cross venation; lower florets staminate; lower lemmas 2.6-3.3 mm, glabrous, 5-veined, without cross venation; upper lemmas 2.3-2.8 mm long, 1-1.3 mm wide, apices rounded, mucronate; anthers 1-1.5 mm. Caryopses 1.8-2 mm. 2n = 18, 36.
Distribution
Puerto Rico, Md., Tex., Virgin Islands, Ala., Pacific Islands (Hawaii), S.C., Fla., Oreg.
Discussion
An African species, Urochloa mutica is grown as a forage crop throughout the tropics, but it tends to become weedy. It grows on moist, disturbed soils and is established in the southeastern United States.
Selected References
None.