Difference between revisions of "Aegilops tauschii"

Coss.
Common names: Tausch's goatgrass Rough-spiked hardgrass
Synonyms: Triticum tauschii unknown
Treatment appears in FNA Volume 24. Treatment on page 262.
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|distribution=N.Y.;Ariz.;Calif.
 
|distribution=N.Y.;Ariz.;Calif.
|discussion=<p>Aegilops tauschii is a weed of disturbed areas. In the Flora region, it is known only from Riverside County, California; Cochise County, Arizona; and an old collection from Westchester County, New York. It is native from the Caucasus and southern shores of the Caspian Sea, eastward to Kazakhstan and western China, and southward to Iraq and northwestern India.</p>
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|discussion=<p><i>Aegilops tauschii</i> is a weed of disturbed areas. In the Flora region, it is known only from Riverside County, California; Cochise County, Arizona; and an old collection from Westchester County, New York. It is native from the Caucasus and southern shores of the Caspian Sea, eastward to Kazakhstan and western China, and southward to Iraq and northwestern India.</p>
 
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|publication year=
 
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|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V24/V24_376.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V24/V24_376.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Triticeae
 
|tribe=Poaceae tribe Triticeae

Revision as of 16:19, 18 September 2019

Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Culms 20-45 cm, geniculate at the base, usually forming many tillers. Sheaths with hyaline margins, margins of the lower cauline sheaths usually ciliate; blades 6-20 cm long, 3-6 mm wide. Spikes 5.5-8.2 cm long, 0.3-0.6 cm wide, narrowly cylindrical to slightly moniliform, with 6-13 spikelets; rudimentary spikelets absent; disarticulation in the rachises, the spikelets falling attached to the internodes above. Spikelets 7-8 mm long, 3-4 mm wide, cylindrical, scabrous, with 2-5 florets, the distal 2 florets sterile. Glumes 5-7 mm, coriaceous, scabrous, rims thickened, apices obtuse to truncate, minutely denticulate, unawned; lemmas 6-8 mm, mucronate or awned, awns usually solitary; lemmas of lower spikelets with shorter awns than those of the upper spikelets, the lower lemmas in a spikelet with shorter awns than those of the distal florets. Caryopses 5-6 mm, adhering to the lemmas and paleas. Haplome D. 2n = 14.

Discussion

Aegilops tauschii is a weed of disturbed areas. In the Flora region, it is known only from Riverside County, California; Cochise County, Arizona; and an old collection from Westchester County, New York. It is native from the Caucasus and southern shores of the Caspian Sea, eastward to Kazakhstan and western China, and southward to Iraq and northwestern India.

Selected References

None.

Lower Taxa

None.