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Bromus sterilis

Bromus sterilis is an annual or biennial species of bromegrass known as barren brome, poverty brome, and sterile brome.

Range[edit]

It can be found between sea level and 365 metres, along roadsides, hedge bottoms, and is a common weed of waste ground and gardens.

This grass is native to:

Identification[edit]

This is an annual or biennial grass ranging from about 20 to 90 centimeters in maximum height. It has a small leaf blade and its inflorescence is spreading, with the lower parts drooping more than the upper. The spikelet is up to 3 centimeters long.

The leaves are rough and hairy, green to purplish in colour. The ligule is pointed,toothed, 2 to 4 mm long.[5]

Ligule is pointed

The panicles are loose, open and nodding. The spikelets are 4 to 6 cm long, with awns, producing 4 to 10 flowers.[6]

Invasive plant species[edit]

It is well known in many parts of the world where it has an introduced species. It is a noxious weed on the eastern and western sides of North America, an Invasive species in California.

References[edit]

  1. ^ a b  Species was first described and published in Species Plantarum 1: 77. 1753. "Plant Name Details for Bromus sterilis". IPNI. Retrieved August 9, 2010. "basionym of: Zerna sterilis" 
  2. ^ a b c GRIN (May 29, 2007). "Bromus sterilis information from NPGS/GRIN". Taxonomy for Plants. National Germplasm Resources Laboratory, Beltsville, Maryland: USDA, ARS, National Genetic Resources Program. Retrieved August 9, 2010. "Synonyms: Anisantha sterilis" 
  3. ^  Anisantha sterilis was published in Trudy Sredne-Aziatskogo Gosudarstvennogo Universiteta. Serija 8b. Botanika. Acta Universitatis Asiae Mediae. Botanica, Ser. 8b, Bot. 17:20. 1934. Tashkent. GRIN (May 29, 2007). "Anisantha sterilis information from NPGS/GRIN". Taxonomy for Plants. National Germplasm Resources Laboratory, Beltsville, Maryland: USDA, ARS, National Genetic Resources Program. Retrieved August 9, 2010. 
  4. ^  Zerna sterilis was published in Denkschriften der Koniglich Akademie der Wissenschaften zu München, 4: 297. 1814. Munich. "Plant Name Details for Zerna sterilis". IPNI. Retrieved August 9, 2010. "Remarks: Specific epithet not associated with genus name." 
  5. ^ BSBI Description retrieved 10 December 2010.
  6. ^ Grasses by C E Hubbard, 1978, published by Penguin books

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