Difference between revisions of "Bothriochloa exaristata"
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|distribution=Tex.;La. | |distribution=Tex.;La. | ||
| − | |discussion=<p>Bothriochloa exaristata grows in heavy soils of fields and roadsides of the Gulf coastal prairie, at 2-150 m, as well as in coastal areas of southern Brazil and adjacent Argentina, and inland along the Rio Pilcomayo to Paraguay. It has been reported from Los Angeles County, California. When growing in dense grassland thickets, B. exaristata has rather spindly basal growth, but branches abundantly from the middle and upper nodes.</p> | + | |discussion=<p><i>Bothriochloa exaristata</i> grows in heavy soils of fields and roadsides of the Gulf coastal prairie, at 2-150 m, as well as in coastal areas of southern Brazil and adjacent Argentina, and inland along the Rio Pilcomayo to Paraguay. It has been reported from Los Angeles County, California. When growing in dense grassland thickets, <i>B. exaristata</i> has rather spindly basal growth, but branches abundantly from the middle and upper nodes.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Bothriochloa exaristata | name=Bothriochloa exaristata | ||
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|authority=(Nash) Henrard | |authority=(Nash) Henrard | ||
|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=Tex.;La. | |distribution=Tex.;La. | ||
|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_1555.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 40-150 cm, erect; nodes glabrous, uppermost node often concealed within the sheaths. Leaves cauline, mostly glabrous; sheaths with a white, powdery bloom; ligules 1-2.2 mm; blades 10-20 cm long, 3-6(8) mm wide, flat to folded. Panicles 4.5-15 cm, lanceolate; rachises with numerous branches; branches shorter than the rachises, erect-appressed, lacking axillary pulvini; rame internodes with a central groove about as wide as the margins, margins densely villous, hairs 4-6 mm, obscuring the spikelets. Sessile spikelets 2.5-4 mm long, 0.6-0.8 mm wide, narrowly ovate; lower glumes glabrous or sparsely short-pilose, lacking a dorsal pit; awns absent or to 6 mm; anthers 0.5-1.5 mm. Pedicellate spikelets shorter than the sessile spikelets, sterile. 2n = 60.
Discussion
Bothriochloa exaristata grows in heavy soils of fields and roadsides of the Gulf coastal prairie, at 2-150 m, as well as in coastal areas of southern Brazil and adjacent Argentina, and inland along the Rio Pilcomayo to Paraguay. It has been reported from Los Angeles County, California. When growing in dense grassland thickets, B. exaristata has rather spindly basal growth, but branches abundantly from the middle and upper nodes.
Selected References
None.