Bromus orcuttianus

• Overview
• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Overview

Interesting Facts

Common Names

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]

Physical Description

Habitat

Typically found at an altitude of 0 to 2,147 meters (0 to 7,044 feet).[2]

Biology

Reproduction

Duration: Perennial

Taxonomy

Synonyms

Bromus orcuttianus var. hallii A. S. Hitchc.

Notes

Name Status: Accepted Name .

Last scrutiny: 17-Oct-2001

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. 174, p. 175, p. 175.
• American plants. .. [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] Charles Russell Orcutt, editor. San Diego, Calif., [1907]-1910. url p. 46, p. 522.
• An illustrated flora of the Pacific States: Washington, Oregon, and California. Stanford University, Stanford University Press, 1923-[60] url p. 231.
• Bulletin / United States Department of Agriculture, Division of Agrostology. Washington, D.C.: The Division, 1895-1901. url p. 42, p. 43, p. 6.
• California fish and game. [San Francisco, etc.]: State of California, Resources Agency, Dept. of Fish and Game. url p. 262.
• Contributions from the United States National Herbarium 11 1906 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 143, p. 154, p. 158, p. 177, p. 178, p. 219, p. 303, p. 68, p. 92, p. 93.
• Flora of Los Angeles and vicinity / by LeRoy Abrams. Stanford University, Cal. 1917. url p. 48.
• Flora of the state of Washington / by Charles V. Piper. Washington: G.P.O., 1906 url p. 143.
• Flora of the state of Washington. By Charles V. Piper. Washington, Govt. Print. Off., 1906. url p. 143.
• Illustrations of North American grasses. Washington, Govt. Print. Off., 1891-93. url p. 377.
• Manual of the grasses of the United States / by A.S. Hitchcock. Washington: U.S. G.P.O., 1935. url p. 40, p. 41, p. 815, p. 985.
• Muhlenbergia. Chico, Calif. [etc] url p. 6.
• Phytologia. Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 77.
• The Great Basin naturalist. 41 1981 Provo, Utah: M.L. Bean Life Science Museum, Brigham Young University, 1939-1999. url p. 85.
• The Plant world. Baltimore [etc.]Plant World Association [etc.] url p. 175.

Notes

Contributors

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

Data Sources

Accessed through GBIF Data Portal November 17, 2007:

• Berkeley Natural History Museums, University and Jepson Herbaria DiGIR provider
• Oregon State University, Vascular Plant Collection
• School of Life Sciences, Arizona State University, Arizona State University Vascular Plant Herbarium
• School of Life Sciences, Arizona State University, The Deaver Herbarium, Northern Arizona University
• USDA PLANTS, USDA PLANTS Database
• Utah State University, USU-UTC Specimen Database

Identifiers

• Biodiversity Heritage Library NamebankID: 2660805
• Catalogue of Life Accepted Name Code: ITS-526993
• Global Biodiversity Information Facility Taxonkey: 13753280
• Globally Unique Identifier: urn:lsid:ipni.org:names:393940-1
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 40510
• MoBot NameID: 25511714
• Natural Heritage Network Species Identifier: PMPOA15101
• U.S.D.A. Plant Symbol: BROR3
• Zipcode Zoo Species Identifier: 26022

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]
2. Mean = 1,059.250 meters (3,475.230 feet), Standard Deviation = 556.150 based on 172 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.