Difference between revisions of "Triticum urartu"
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| − | |discussion=<p>Triticum urartu is the wild diploid wheat that contributed the A haplome to the durum and bread wheat evolutionary lines. It does not have a diploid domesticated form. Because of its close morphological similarity to T. boeoticum, T. urartu was included in T. boeoticum until genetic analysis showed it to be a separate species. It has a more limited distribution than T. boeoticum, being known from disjunct regions in Turkey, Lebanon, Armenia, western Iran, and eastern Iraq.</p> | + | |discussion=<p><i>Triticum urartu</i> is the wild diploid wheat that contributed the A haplome to the durum and bread wheat evolutionary lines. It does not have a diploid domesticated form. Because of its close morphological similarity to <i>T. boeoticum</i>, <i>T. urartu</i> was included in <i>T. boeoticum</i> until genetic analysis showed it to be a separate species. It has a more limited distribution than <i>T. boeoticum</i>, being known from disjunct regions in Turkey, Lebanon, Armenia, western Iran, and eastern Iraq.</p> |
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |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/V24/V24_385.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
Culms to 145 cm, decumbent at the base; nodes pubescent; internodes mostly hollow, solid for 1 cm below the spikes. Blades 7-10 mm wide, yellow-green, puberulent, hairs uniform in length, soft. Spikes 6-12 cm, wider than thick; rachises densely ciliate at the nodes and margins; internodes 3-5 mm; disarticulation spontaneous, dispersal units wedge-shaped. Spikelets 12-16 mm, rectangular, with 2-3 florets, 1-2 seed-forming. Glumes 8-11 mm, coriaceous, tightly appressed to the lower florets, 2-keeled, 2-toothed, second tooth not well developed; lemmas 10-13 mm, awned, awns on the lower 2 lemmas to 7 cm, on the third lemma to 1 cm; paleas splitting at maturity; anthers 2-4 mm. Caryopses red, that of the lowest floret in each spikelet darker than the second; endosperm flinty. Haplome Au. 2n = 14.
Discussion
Triticum urartu is the wild diploid wheat that contributed the A haplome to the durum and bread wheat evolutionary lines. It does not have a diploid domesticated form. Because of its close morphological similarity to T. boeoticum, T. urartu was included in T. boeoticum until genetic analysis showed it to be a separate species. It has a more limited distribution than T. boeoticum, being known from disjunct regions in Turkey, Lebanon, Armenia, western Iran, and eastern Iraq.
Selected References
None.