Bromus villosus

• Interesting Facts
• Description
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Interesting Facts

Description

Genus Bromus

Annuals or perennials . Culms erect , tufted or with rhizomes. Leaf sheaths closed ; leaf blades linear , usually flat; ligules membranous. Panicles spreading or contracted , branches scabrid or pubescent , elongated or arched. Spikelets large, with 3 to many florets , upper florets often sterile ; rachilla disarticulating above glumes and between florets, scabrid or shortly hairy ; glumes unequal or subequal , shorter than spikelet, lanceolate or nearly ovate , (1-) 5-7-veined, apex acute or long acuminate or aristiform ; floret callus glabrous or both sides thinly hairy; lemmas rounded on back or compressed to keel, 5-9(-11) -veined, herbaceous or nearly leathery, margins often membranous, apex entire or 2-toothed; awn terminal or arising from lemma between teeth slightly under apex, rarely awnless or 3-awned; palea narrow, usually shorter than lemma, keels ciliate or scabrid. Lodicules 2. Stamens 3. Ovary apex with appendage ; styles 2, arising from lower front of appendage. Caryopsis oblong , apex hairy, adaxial surface sulcate . Chromosomes large, x = 7, 2n = 14, 28, 42, 56, 70.

About 150 species: temperate regions , mainly in the N hemisphere, also on mountains in the tropics; 55 species (eight endemic, at least three introduced ) in China.[1]

Taxonomy

Similar Species

Members of the genus Bromus

ZipcodeZoo has pages for 88 species, subspecies, varieties, forms, and cultivars in this genus:

B. aleutensis (Aleutian Brome) · B. alopecuros (Roadside Brome) · B. alopecuros caroli-henrici (Weedy Brome) · B. anomalus (Nodding Bromegrass) · B. arenarius (Australian Brome) · B. arizonicus (Arizona Brome) · B. arvensis (Field Brome) · B. benekkenii (Brome) · B. berterianus (Chilean Brome) · B. biebersteinii (Meadow Brome) · B. briziformis (Rattlesnake Brome) · B. carinatus (California Brome) · B. catharticus (Prairie Grass) · B. ciliatus (Canadian Brome) · B. ciliatus var. ciliatus (Fringed Brome) · B. ciliatus var. richardsonii (Fringed Brome) · B. commutatus (Hairy Brome) · B. danthoniae (Oat Brome) · B. diandrus (Great Brome) · B. erectus (Erect Brome) · B. erectus erectus (Upright Brome) · B. frondosus (Weeping Brome) · B. grandis (Tall Brome) · B. grossus (Whiskered Brome) · B. hordaceus (Soft Chess) · B. hordeaceus (Soft Brome) · B. hordeaceus hordeaceus (Soft Brome) · B. hordeaceus molliformis (Soft Brome) · B. hordeaceus thominei (Soft Brome) · B. hordeaceus subsp. hordeaceus (Downy Brome) · B. hordeaceus subsp. molliformis (Soft Brome) · B. hordeaceus subsp. thominei (Soft Brome) · B. inermis (Awnless Brome) · B. inermis inermis (Awnless Brome) · B. inermis inermis var. inermis (Smooth Brome) · B. inermis pumpellianus (Pumpelly's Brome) · B. inermis pumpellianus var. pumpellianus (Pumpelly's Brome) · B. inermis var. arcticus (Awnless Brome) · B. inermis var. inermis (Smooth Brome) · B. inermis subsp. pumpellianus (Pumpelly's Brome) · B. inermis 'Skinner's Gold' (Skinner's Gold Smooth Brome) · B. japonicus (Japanese Brome) · B. kalmii (Arctic Brome) · B. laevipes (Chinook Brome) · B. lanatipes (Woolly Brome) · B. lanceolatus (Mediterranean Brome) · B. latiglumis (Broad-Glumed Brome) · B. lepidus (Slender Soft Brome) · B. luzonensis (Hoary Brome) · B. madritensis (Compact Brome) · B. madritensis madritensis (Compact Brome) · B. mango (Mango Brome) · B. marginatus (Mountain Brome) · B. marginatus var. marginatus (Large Mountain Brome) · B. maritimus (Seaside Brome) · B. mollis non (Soft Chess) · B. mucroglumis (Arizona Brome) · B. nottowayanus (Nottoway Brome Grass) · B. orcuttianus (Orcutt Brome) · B. orcuttianus var. orcuttianus (Orcutt's Brome) · B. pacificus (Pacific Brome) · B. polyanthus (Basin Brome) · B. polyanthus var. paniculatus (Great Basin Brome) · B. polyanthus var. polyanthus (Great Basin Brome) · B. porteri (Nodding Brome) · B. pseudolaevipes (Coast Range Brome) · B. pubescens (Hairy Wood Brome Grass) · B. racemosus (Bald Brome) · B. ramosus (Bald Brome) · B. ramosus benekenii (Hairy Brome) · B. ramosus ramosus (Hairy Brome) · B. richardsonii var. richardsonii (Richardson´s Brome) · B. rigidus (Ripgut Brome) · B. riparius (Meadow Brome) · B. rubens (Foxtail Brome) · B. scoparius (Broom Brome) · B. secalinus (Bromegrass) · B. sitchensis (Alaska Brome) · B. sitchensis var. sitchensis (Sitka Brome) · B. squarrosus (Corn Brome) · B. squarrosus squarrosus (Corn Brome) · B. stamineus (Roadside Brome) · B. sterilis (Barren Bromegrass) · B. suksdorfii (Suksdorf's Brome) · B. tectorum (Cheat Grass) · B. tectorum var. tectorum (Cheatgrass) · B. texensis (Texas Brome) · B. vulgaris (Columbia Brome)

More Info

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Further Reading

• A flora of California, by Willis Linn Jepson. San Francisco, Calif., Cunningham, Curtis & Welch, 1909- url p. 173, p. 173, p. 174.
• A preliminary list of the Uredinales of California, by Walter C. Blasdale. Berkeley: University of California press, 1919. url p. 118.
• A text-book of grasses with especial reference to the economic species of the United States, by A. S. Hitchcock. New York, Macmillan, 1914. url p. 77.
• A text-book of grasses: with especial reference to the economic species of the United States / by A.S. Hitchock. New York: Macmillan, 1914. url p. 77.
• Britton, N. L. (ed.). North American flora. [New York]New York Botanical Garden. url p. 1034, p. 336, p. 868.
• Bulletin / U.S. Department of Agriculture, Bureau of Entomology. Washington: G.P.O., 1904-1916. url p. 147, p. 43.
• Bulletin of the Biological Society of Washington. Washington, D.C.: The Society, 1918- url p. 67.
• Bulletin of the Southern California Academy of Sciences. Los Angeles, Calif.: The Academy, 1902-1971. url p. 12.
• Bulletin of the U.S. Department of Agriculture. [Washington, D.C.?]: Supt. of Docs., G.P.O., 1913-1923. url p. 11, p. 16, p. 28.
• Catalogue of scientific papers, 1800-1900. Compiled by the Royal Society of London. London, C.J. Clay and Sons, 1867-1902 [etc.] Cambridge, Cambridge University Press, 1914-25. url p. 91.
• Contributions from the United States National Herbarium 48 2003 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 174, p. 189, p. 190, p. 90, p. 93.
• Flora of Japan: in English: combined, much revised and extended translation / by the author of his Flora of Japan (1953) and Flora of Japan, Pteridophyta (1957); edited by Frederick G. Meyer and Egbert H. Walker. Washington: Smithsonian Institution, 1965. url p. 157.
• Flora of Los Angeles and vicinity / by LeRoy Abrams. Stanford University, Cal. 1917. url p. 48.
• Flora of the District of Columbia and vicinity. By A.S. Hitchcock and Paul C. Standley, with the assistance of the botanists of Washington. WashingtonGovt. print. off.1919 url p. 90.
• Manual of the grasses of the United States / by A.S. Hitchcock. Washington: U.S. G.P.O., 1935. url p. 816.
• Memoirs / Brooklyn Botanic Garden. Brooklyn, N.Y.: The Garden, 1918-1936. url p. 240.
• Memoirs of the Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History. Honolulu: [Bishop Museum Press], 1899-1949. url p. 113.
• Range and pasture management, by Arthur W. Sampson. New York, John Wiley, 1923. url p. 396.
• The Plant world. Baltimore [etc.]Plant World Association [etc.] url p. 175.
• The genera of grasses of the United States: with special reference to the economic species / by A.S. Hitchcock. Washington, D.C.: U.S. Dept. of Agriculture, 1920. url p. 28.
• The grasses of Hawaii, by A. S. Hitchcock. Honolulu, Hawaii, Bishop Museum Press, 1922. url p. 15.
• The grasses of Illinois / by Edna Mosher. Urbana, Ill.: University of Illinois Agricultural Experiment Station, 1918. url p. 405.
• The grasses of Illinois, by Edna Mosher. Urbana, Ill., 1918. url p. 405.
• The indigenous trees of the Hawaiian Islands / by Joseph F. Rock. Honolulu: J.F. Rock; 1913. url p. 83.
• The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States a Illustrated with colored plates, four thousand engravings in the text, and ninety-six full-page cuts. New York, Macmillan, 1919 [c1914] url p. 578.
• Torreya. Burlington, Vt., Torrey Botanical Club, 1901-1945. url p. 155, p. 193, p. 227, p. 82.
• University of California publications in botany. Berkeley, Calif., University of California Press, 1902-2001. url p. 118.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.

Identifiers

• Biodiversity Heritage Library NamebankID: 2777556
• Global Biodiversity Information Facility Taxonkey: 13727946
• Zipcode Zoo Species Identifier: 4024537

Footnotes

1. Liang Liu, Guanghua Zhu & Klaus Ammann "Bromus". in Flora of China Vol. 22 Page 370, 371. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]

©2004-2012 David Stang. All rights reserved.