Difference between revisions of "Aristida purpurea var. perplexa"
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|distribution=N.Mex.;Ariz.;Tex. | |distribution=N.Mex.;Ariz.;Tex. | ||
| − | |discussion=<p>Aristida purpurea var. perplexa grows in sandy to rocky plains and on mesas in desert grassland and scrub communities, often in calcareous soils, in both the Flora region and Mexico. It is sometimes confused with A. pansa, which differs in having cobwebby hairs at the collar, equal glumes, and shorter awns.</p> | + | |discussion=<p><i>Aristida purpurea </i>var.<i> perplexa</i> grows in sandy to rocky plains and on mesas in desert grassland and scrub communities, often in calcareous soils, in both the Flora region and Mexico. It is sometimes confused with <i>A. pansa</i>, which differs in having cobwebby hairs at the collar, equal glumes, and shorter awns.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V25/V25_1015.xml |
|subfamily=Poaceae subfam. Aristidoideae | |subfamily=Poaceae subfam. Aristidoideae | ||
|tribe=Poaceae tribe Aristideae | |tribe=Poaceae tribe Aristideae | ||
Revision as of 16:27, 18 September 2019
Culms 30-65 cm. Blades 8-20 cm, involute. Panicles 8-20 cm; primary branches stiff, lower branches diverging or divaricate, with axillary pulvini, upper branches usually strongly divergent, sometimes ascending; pedicels often with axillary pulvini; terminal spikelets usually appressed. Glumes reddish; lower glumes (4.5)5-7(7.5) mm, 1/2 - 2/3 as long as the upper glumes; upper glumes 8-11(12) mm; lemmas (8)10-12(13) mm long, narrowing to 0.1-0.2 mm wide; awns subequal, (13)18-30 mm long, 0.1-0.2 mm wide. 2n = unknown.
Distribution
N.Mex., Ariz., Tex.
Discussion
Aristida purpurea var. perplexa grows in sandy to rocky plains and on mesas in desert grassland and scrub communities, often in calcareous soils, in both the Flora region and Mexico. It is sometimes confused with A. pansa, which differs in having cobwebby hairs at the collar, equal glumes, and shorter awns.
Selected References
None.