Difference between revisions of "Andropogon hallii"
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|distribution=Colo.;N.Mex.;Tex.;Utah;Minn.;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Mont.;Ill.;Ind.;Iowa;Ariz.;Wyo.;Man.;Sask. | |distribution=Colo.;N.Mex.;Tex.;Utah;Minn.;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Mont.;Ill.;Ind.;Iowa;Ariz.;Wyo.;Man.;Sask. | ||
| − | |discussion=<p | + | |discussion=<p>Andropogon hallii grows on sandhills and in sandy soil. Its range extends through the central plains into northern Mexico. It is similar to A. gerardii, differing primarily in its rhizomatous habit, more densely pubescent rames and pedicels, and greater drought tolerance. Andropogon hallii and A. gerardii are sympatric in some locations. The two species can hybridize and are sometimes treated as conspecific subspecies.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik and Hana Pazdírková | ||
|distribution=Colo.;N.Mex.;Tex.;Utah;Minn.;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Mont.;Ill.;Ind.;Iowa;Ariz.;Wyo.;Man.;Sask. | |distribution=Colo.;N.Mex.;Tex.;Utah;Minn.;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Mont.;Ill.;Ind.;Iowa;Ariz.;Wyo.;Man.;Sask. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V25/V25_1574.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Andropogoneae | |tribe=Poaceae tribe Andropogoneae | ||
Revision as of 16:16, 30 October 2019
Plants strongly rhizomatous, rhizome internodes often longer than 2 cm. Culms (40)60-150(200) cm, strongly glaucous. Ligules (0.9)2.5-4.5 mm, ciliate; blades 3-40(51) cm long, (1.5)2-10 mm wide, often pilose, at least near the collar. Inflorescence units usually only terminal; peduncles with 2-7 rames; rames 4-7(9) cm, exserted at maturity; internodes usually densely pubescent, hairs 3.7-6.6 mm, often strongly yellowish. Sessile spikelets (5)6.5-12 mm; lower glumes often ciliate; awns absent or to 11 mm; anthers 3, (2.3)4-6 mm. Pedicellate spikelets 3.5-12 mm, usually well-developed and staminate. 2n = 60 (usually), 70, 100.
Distribution
Colo., N.Mex., Tex., Utah, Minn., Kans., N.Dak., Nebr., Okla., S.Dak., Mont., Ill., Ind., Iowa, Ariz., Wyo., Man., Sask.
Discussion
Andropogon hallii grows on sandhills and in sandy soil. Its range extends through the central plains into northern Mexico. It is similar to A. gerardii, differing primarily in its rhizomatous habit, more densely pubescent rames and pedicels, and greater drought tolerance. Andropogon hallii and A. gerardii are sympatric in some locations. The two species can hybridize and are sometimes treated as conspecific subspecies.
Selected References
None.