Bromus sterilis

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Barren brome
Bromus sterilis detail.jpeg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Bromus
Species: B. sterilis
Binomial name
Bromus sterilis
Synonyms [1][2][3][4]

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

Description[edit]

This is an annual or biennial grass ranging from about 20 to 90 centimeters in maximum height. Leaf blades are 2-6 mm wide and 6-25 cm long with short, soft hair.[5] The inflorescence is a spreading panicle with the lower parts drooping more than the upper. The spikelet is up to 6 cm long.

The leaves are rough and hairy, green to purplish in colour. The ligule is pointed, toothed, 2 to 4 mm long.[6]

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.[7]

Distribution[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:

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 "Bromus sterilis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved August 9, 2010.
  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. "Anisantha sterilis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). 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. ^ Edgar E. & Connor H.E. 2000. Flora of New Zealand, Vol. V, Grasses. P. 368.
  6. ^ BSBI Description Archived 2011-07-17 at the Wayback Machine. retrieved 10 December 2010.
  7. ^ Grasses by C E Hubbard, 1978, published by Penguin books

External links[edit]