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Pumpelly's brome

Scientific Name: Bromus inermis ssp. pumpellianus var. arcticus

Family: Poaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Smooth Brome and Pumpelly's Brome

This page provides information about Smooth Brome (Bromus inermis) and its close relative, Pumpelly's Brome (Bromus pumpellianus), also often considered a subspecies of Bromus inermis.

Nomenclature and Taxonomy

  • Scientific Name: Bromus inermis Leyss. (Smooth Brome)
  • Scientific Name: Bromus pumpellianus Scribn. (Pumpelly's Brome)
  • Common Names: Smooth Brome, Pumpelly's Brome, Austrian Bromegrass, Awnless Brome, Hungarian Brome, Hungarian Bromegrass, Russian Bromegrass, Arctic Brome, Rocky Mountain Brome, Northern Awnless Brome
  • Family: Poaceae (Grass family)
  • Subspecies of Bromus inermis:
    • Bromus inermis subsp. inermis
    • Bromus inermis subsp. pumpellianus (Scribn.) Wagnon
  • Synonyms: Zerna inermis (synonym for Pumpelly's Brome), Bromus inermis Leyss. var. pumpellianus (Scribn.) C.L. Hitchc., Bromopsis pumpelliana (Scribn.) Holub.

Description

  • Bromus inermis is a perennial grass growing up to 1.2 meters (4 feet) tall.
  • It flowers in May, and the seeds ripen from August to September.

Distribution and Habitat

  • Smooth Brome (Bromus inermis) has been introduced to North America.
  • Pumpelly's Brome (Bromus pumpellianus) is native to North America, including areas like Arctic Alaska and Alberta, Canada (near Grande Cache).

Ecological Role

  • The text indicates a FEIS species review that synthesizes information on the relationship of Bromus pumpellianus (Pumpelly brome) to fire--how fire.

Additional Information

  • Smooth Brome is noted as an important agricultural plant.
  • Smooth Brome is hardy to zone (UK) 3.

Further Resources

  • Michigan Natural Features Inventory: P.O. Box 30444 - Lansing, MI 48909-7944. Phone: 517-373-1552.
  • Dryades Project: Dipartimento di Scienze della Vita, Università di Trieste.
  • Toolik-Arctic Geobotanical Atlas maps.