Difference between revisions of "Bromus catharticus var. catharticus"
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|accepted_name=Bromus catharticus var. catharticus | |accepted_name=Bromus catharticus var. catharticus | ||
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name=Bromus catharticus var. catharticus | name=Bromus catharticus var. catharticus | ||
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|rank=variety | |rank=variety | ||
|parent rank=species | |parent rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_274.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Bromeae | |tribe=Poaceae tribe Bromeae | ||
Latest revision as of 16:22, 11 May 2021
Plants annual or biennial; tufted. Culms 30-120 cm, erect or decumbent. Sheaths usually densely, often retrorsely, hairy, hairs sometimes confined to the throat; ligules 1-4 mm, glabrous or pilose, erose; blades 4-26 cm long, 3-10 mm wide, glabrous or hairy on both surfaces. Panicles 9-28 cm, open, erect or nodding; lower branches 1-4 per node, spreading or ascending, with 1-5 spikelets. Spikelets 20-30 mm, with 6-12 florets. Lower glumes 5-7-veined; upper glumes 9-13 mm, (7)9(11)-veined; lemmas 11-20 mm, glabrous or scabrous, sometimes pubescent distally, (9)11-13-veined; awns absent or to 3.5 mm; anthers about 0.5 mm in cleistogamous florets, 2-4 mm in chasmogamous florets. 2n = 42.
Discussion
Bromus catharticus var. catharticus is native to South America. It has been widely introduced in the flora region as a forage crop and is now established, particularly in the southern half of the United States. It usually grows on disturbed soils.
Selected References
None.