Difference between revisions of "Bromus danthoniae"
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| − | |discussion=<p>Bromus danthoniae is native from the western Asia to southern Russia and Tibet. It was collected in 1904 in Ontario; no other North American collections are known.</p> | + | |discussion=<p><i>Bromus danthoniae</i> is native from the western Asia to southern Russia and Tibet. It was collected in 1904 in Ontario; no other North American collections are known.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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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_333.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Bromeae | |tribe=Poaceae tribe Bromeae | ||
Revision as of 16:19, 18 September 2019
Plants annual. Culms 5-40 cm, erect or ascending. Sheaths glabrous or pubescent; ligules 1.2-2.6 mm, puberulent, obtuse, laciniate; blades 2-15 cm long, 2-5 mm wide, pubescent on both surfaces. Panicles 2-12 cm long, 1-5 cm wide, dense, ovoid, stiffly erect, sometimes racemose; branches shorter than the spikelets, ascending, slightly curved or straight. Spikelets 10-40(45) mm long, 4-10 mm wide, lanceolate to elliptic or oblong, laterally compressed; florets 5-8(10), bases concealed at maturity; rachilla internodes concealed at maturity. Glumes glabrous or pubescent; lower glumes 5-8.5 mm, 3-5-veined, lanceolate; upper glumes 6.5-9.5 mm, 7-9(11)-veined, elliptic; lemmas 8-12(13.5) mm long, 6-7 mm wide, oblanceolate, veins glabrous, scabridulous, or ciliolate, glabrous or pubescent elsewhere, 9-11-veined, rounded over the midvein, margins broadly hyaline, bluntly angled above the middle, not inrolled at maturity, apices subulate to acute or obtuse, toothed, teeth shorter than 1 mm; awns usually 3 on the upper lemmas in each spikelet, arising 2-4 mm below the lemma apices, purple or deep red, central awn 5-25 mm, flattened at the base, divaricate and sometimes twisted at maturity, lateral awns 4-10 mm, erect or reflexed, sometimes absent or much reduced on the lower lemmas; anthers 1-1.8 mm. Caryopses equaling or shorter than the paleas, thin, weakly inrolled or flat. 2n = 14.
Discussion
Bromus danthoniae is native from the western Asia to southern Russia and Tibet. It was collected in 1904 in Ontario; no other North American collections are known.
Selected References
None.