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Sisymbrium irio L.

Life   Plantae   Dicotyledoneae   Brassicaceae   Sisymbrium

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Sisymbrium irio, seed
© Copyright Seeds USID 2015 · 1
Sisymbrium irio, seed
Sisymbrium irio, seed
© Copyright Seeds USID 2015 · 1
Sisymbrium irio, seed

Sisymbrium irio, seed
© Copyright Seeds USID 2015 · 1
Sisymbrium irio, seed
Sisymbrium irio, seed
© Copyright Seeds USID 2015 · 1
Sisymbrium irio, seed

Sisymbrium irio, flowers
© Pedro Tenorio-Lezama, 2001 · 0
Sisymbrium irio, flowers
Sisymbrium irio, habitat
© Pedro Tenorio-Lezama, 2001 · 0
Sisymbrium irio, habitat

Sisymbrium irio, leaf
© Pedro Tenorio-Lezama, 2001 · 0
Sisymbrium irio, leaf
Sisymbrium irio
© Pedro Tenorio-Lezama, 2001 · 0
Sisymbrium irio

Sisymbrium irio, stem
© Pedro Tenorio-Lezama, 2001 · 0
Sisymbrium irio, stem

Associates · map
FamilyScientific name @ source (records)
Albuginaceae  Albugo candida @ BPI (15)
Andrenidae  Andrena angustitarsata @ UCRC_ENT (7)

Andrena atypica @ UCRC_ENT (2)

Andrena auricoma @ UCRC_ENT (1)

Andrena californiensis @ UCRC_ENT (4)

Andrena candida @ UCRC_ENT (7)

Andrena cerasifolii @ UCRC_ENT (1)

Andrena chlorogaster @ UCRC_ENT (18)

Andrena cruciferarum @ UCRC_ENT (3)

Andrena ferrugineipes @ UCRC_ENT (2)
Aphididae  Macrosiphum ( @ CSCA_TCN (1)
Coccinellidae  Coccinella septempunctata @ I_LB (1)

Hippodamia convergens @ I_LB (1)
Colletidae  Hylaeus mesillae @ UCRC_ENT (2)

Hylaeus rudbeckiae @ UCRC_ENT (6)

Hylaeus wootoni @ UCRC_ENT (1)
Erysiphaceae  Erysiphe cruciferarum @ BPI (1)
Lygaeidae  Nysius raphanus @ UCR_ENT (9)
Megachilidae  Osmia coloradensis @ UCRC_ENT (2)
Membracidae  Spissistilus festinus @ UDCC_NRI (1); UCR_ENT (5)
Miridae  Atomoscelis onustus @ AMNH_IZC (2)

Orthotylus albocostatus @ AMNH_PBI (1)
Pentatomidae  Acrosternum hilare @ UCR_ENT (1)
Peronosporaceae  Peronospora parasitica @ BPI (2)

Peronospora sisymbrii-officinalis @ BPI (1)
Rhopalidae  Boisea rubrolineata @ UCR_ENT (1)

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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Tracheophyta  
 Class Magnoliopsida  
 Order Brassicales  
 Family Brassicaceae  
 Genus Sisymbrium  
  Sisymbrium irio    L. 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Arabis charbonnelii Descurainia irio Erysimum irio Norta irio Sisymbrium irio dasycarpum Sisymbrium irio leiocarpum Sisymbrium irioides Sisymbrium maximum Sisymbrium multisiliquosum Sisymbrium pinnatifidum   details
Citation: Flora of Taiwan 2nd ed. 2: 768, 1996; Wu, S. H., C. F. Hsieh, and Marcel Rejmanek. 2004. Catalogue of the Naturalized Flora of Taiwan. Taiwania
Name Code: 202657
Suggested Link    Discover Life    Flora of Taiwan 2nd eBooks (National Taiwan University)    Nature Campus  
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Sisymbrium irio L.
London rocket

Image of Sisymbrium irio

General Information
Symbol: SIIR
Group: Dicot
Family: Brassicaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : HI   I
L48   I
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Sisymbrium thumbnails at the Plants Gallery

Patrick J. Alexander. Usage Requirements .

Patrick J. Alexander. Usage Requirements .

Patrick J. Alexander. Usage Requirements .



Symbol Scientific Name
NOIR Norta irio (L.) Britton


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Capparales
Family Brassicaceae ⁄ Cruciferae – Mustard family
Genus Sisymbrium L. – hedgemustard
Species Sisymbrium irio L. – London rocket

Subordinate Taxa

This plant has no children

Legal Status

U.S. Weed Information
Sisymbrium irio London rocket This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.
WSWS Whitson, T.D. (ed.) et al.. 1996. Weeds of the West . Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (SIIR)
CalPhotos (SIIR)
Integrated Taxonomic Information System (NOIR)
Integrated Taxonomic Information System (SIIR)
Jepson Interchange (University of California - Berkeley) (SIIR)
Native American Ethnobotany (University of Michigan - Dearborn) (SIIR)
USF Atlas of Florida Vascular Plants (SIIR)
Related Websites
UC Davis, IPM: abstract & images (SIIR)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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FNA Vol. 7 Page 668, 670 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Sisymbrium

6. Sisymbrium irio Linnaeus, Sp. Pl. 2: 659. 1753.

Annuals; glabrous or sparsely pubescent. Stems erect, branched proximally and distally, (1-)2-6(-7.5) dm, glabrous or sparsely pubescent at least basally. Basal leaves not rosulate; petiole (0.5-)1-4.5(-6) cm; blade oblanceolate or oblong (in outline), (1.5-)3-12 (-15) cm × (5-)10-60(-90) mm, margins runcinate to pinnatisect; lobes (1-)2-6(-8) on each side, oblong or lanceolate, smaller than terminal lobe, margins entire, dentate, or lobed. Cauline leaves similar to basal; (distalmost) blade (smaller, to 2 cm wide), margins entire or 1-3-lobed. Fruiting pedicels divaricate or ascending, slender, much narrower than fruit, (5-)7-12(-20) mm. Flowers: sepals erect, oblong, 2-2.5 × 1-1.5 mm; petals oblong-oblanceolate, 2.5-3.5(-4) × 1-1.5 mm, claw 1-1.5 mm; filaments 2.5-4 mm; anthers ovate, 0.5-0.9 mm. Fruits (divaricate to ascending, young fruits overtopping flowers), narrowly linear, straight or slightly curved inward, slightly torulose, slender, (2.5-)3-4(-5) cm × 0.9-1.1 mm; valves glabrous; ovules 40-90 per ovary; style 0.2-0.5 mm; stigma prominently 2-lobed. Seeds 0.8-1 × 0.5-0.6 mm. 2 n = 14.

Flowering Dec-May. Rocky slopes, orchards, roadsides, fields, pastures, waste grounds, prairies, disturbed sites; 0-1700 m; introduced; Ariz., Calif., Colo., Conn., Fla., Idaho, Mass., Mich., Nev., N.Mex., Ohio, Pa., Tex., Utah, Wyo.; Europe; w, c Asia; n Africa; introduced also in South America, Australia.

Updated: 2020-05-30 15:37:50 gmt
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