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Bromus carinatus
CALIFORNIA BROME

Higher Taxonomy
Family: Poaceae (Gramineae)View DescriptionDichotomous Key

Common Name: GRASS FAMILY
Habit: Annual to woody perennial herb; roots generally fibrous. Stem: generally round, hollow; nodes swollen, solid. Leaf: alternate, 2-ranked, generally linear, parallel-veined; sheath generally open; ligule membranous or hairy, at blade base. Inflorescence: various (of generally many spikelets). Spikelet: glumes generally 2; florets (lemma, palea, flower) 1--many; lemma generally membranous, sometimes glume-like; palea generally +- transparent, +- enclosed by lemma. Flower: generally bisexual, minute; perianth vestigial; stamens generally 3; stigmas generally 2, generally plumose. Fruit: grain, sometimes achene- or utricle-like.
Genera In Family: 650--900 genera; +- 10550 species: worldwide; greatest economic importance of any family (wheat, rice, maize, millet, sorghum, sugar cane, forage crops, ornamental, weeds; thatching, weaving, building materials). Note: Generally wind-pollinated. Achnatherum, Ampelodesmos, Hesperostipa, Nassella, Piptatherum, Piptochaetium, Ptilagrostis moved to Stipa; Elytrigia, Leymus, Pascopyrum, Pseudoroegneria, Taeniatherum to Elymus; Hierochloe to Anthoxanthum; Lolium, Vulpia to Festuca; Lycurus to Muhlenbergia; Monanthochloe to Distichlis; Pleuraphis to Hilaria; Rhynchelytrum to Melinis. The following taxa (in genera not included here), recorded in California from historical collections or reported in literature, are extirpated, lacking vouchers, or not considered naturalized: Acrachne racemosa (Roth) Ohwi, Allolepis texana (Vasey) Soderstr. & H.F. Decker, Amphibromus nervosus (Hook. f.) Baill., Axonopus affinis Chase, Axonopus fissifolius (Raddi) Kuhlm., Coix lacryma-jobi L., Cutandia memphitica (Spreng.) K. Richt., Dinebra retroflexa (Vahl) Panz., Eremochloa ciliaris (L.) Merr., Eustachys distichophylla (Lag.) Nees, Gaudinia fragilis (L.) P. Beauv., Miscanthus sinensis Andersson, Neyraudia arundinacea (L.) Henrard, Phyllostachys aurea Rivière & C. Rivière, Phyllostachys bambusoides Siebold & Zuccarini, Rottboellia cochinchinensis (Lour.) Clayton, Schedonnardus paniculatus (Nutt.) Branner & Coville, Schizachyrium cirratum (Hack.) Wooton & Standl., Schizachyrium scoparium (Michx.) Nash, Themeda quadrivalvis (L.) Kuntze, Thysanolaena latifolia (Hornem.) Honda, Tribolium obliterum (Hemsl.) Renvoize, Zea mays L., Zizania palustris L. var. interior (Fassett) Dore, Zoysia japonica Steud. Paspalum pubiflorum E. Fourn., Paspalum quadrifarium Lam., are now reported for southern California (J Bot Res Inst Texas 4:761--770). See Glossary p. 30 for illustrations of general family characteristics.
eFlora Treatment Author: James P. Smith, Jr., except as noted
Scientific Editor: James P. Smith, Jr., J. Travis Columbus, Dieter H. Wilken.
Genus: BromusView DescriptionDichotomous Key

Common Name: BROME, CHESS
Habit: Annual to perennial herb. Leaf: basal and cauline; sheath closed to near top, hairy or glabrous; ligule <= 7 mm, membranous, entire to fringed; blade flat to inrolled. Inflorescence: generally raceme- or panicle-like, open to dense; pedicels generally stiff, rigid. Spikelet: strongly laterally compressed to cylindric; florets 3--30; axis breaking above glumes and between florets; glumes unequal, generally < lower floret, lower 1--3-veined, upper 3--7-veined, back rounded to strongly keeled, tip acute; lemma 5--9-veined, tip 2-toothed or entire, acute to obtuse, awned from between teeth or awns 0; palea generally < lemma.
Species In Genus: +- 160 species: temperate worldwide. Etymology: (Greek: ancient name) Note: Bromus scoparius L., Bromus erectus Huds. not known to be naturalized in California. Bromus pacificus Shear not in California.
Unabridged Note: Report in FNANM of Bromus pacificus Shear (in HSC) based on misidentification.
eFlora Treatment Author: Jeffery M. Saarela & Paul M. Peterson

Bromus carinatus Hook. & Arn.
NATIVE
Habit: Perennial herb, occasionally flowering in first year. Leaf: glabrous or hairy; ligule 2--3(4) mm; blade 3--12 mm wide. Inflorescence: 9--40 cm; upper branches erect to ascending, lower branches ascending to spreading; sometimes with cleistogamous florets. Spikelet: 20--40 mm, strongly flattened. Chromosomes: 2n=56.

eFlora Treatment Author: Jeffery M. Saarela & Paul M. Peterson
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Citation for this treatment: Jeffery M. Saarela & Paul M. Peterson 2016. Bromus carinatus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16226, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 04, 2016.


Bromus carinatus
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© 2005 Steve Matson
Bromus carinatus
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© 2005 Steve Matson
Bromus carinatus
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© 2005 Steve Matson
Bromus carinatus
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© 2005 Steve Matson
Bromus carinatus
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© 2005 Steve Matson
Bromus carinatus var. carinatus
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© 2010 Neal Kramer

More photos of Bromus carinatus in CalPhotos


Geographic subdivisions for Bromus carinatus:
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.