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Erysimum repandum L.
SPREADING TREACLE-MUSTARD
Spreading wallflower

Life   Plantae   Dicotyledoneae   Brassicaceae   Erysimum


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Associates · map
FamilyScientific name @ source (records)
Albuginaceae  Albugo candida @ BPI (2)
Andrenidae  Andrena piperi @ BBSL (1)
Halictidae  Agapostemon angelicus @ BBSL (5)

Agapostemon femoratus @ BBSL (2)

Agapostemon texanus @ BBSL (1)

Lasioglossum hyalinum @ BBSL (1)

Lasioglossum sisymbrii @ BBSL (1)
Mycosphaerellaceae  Septoria repanda @ BPI (1)
Peronosporaceae  Peronospora erysimi @ BPI (1)

Peronospora parasitica @ BPI (1)

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Erysimum repandum L.

Treacle Mustard

Erysimum repandum plant

Family - Brassicaceae

Stems - To +40cm tall, from stout taproot, branching, herbaceous, erect, single or multiple from base, carinate, with appressed pubescence. Hairs of stem bifurcate and oriented parallel to stem axis.

Erysimum repandum stem

Leaves - Early season leaves in basal rosette. Blades to +10cm long and +1cm broad. Tips of basal leaves often curled or hooked. Leaves of stem alternate, gradually reduced upward, coarsely toothed to sub-entire, linear to narrowly oblong, tapering to base, sessile to short petiolate, with bifurcate appressed pubescence above and below.

Erysimum repandum basals Basal rosette.

Inflorescence - Terminal racemes, sub-compact in flower and elongating in fruit to +25cm long.

Erysimum repandum inflorescence

Flowers - Petals 4, clawed, yellow to bicolored with yellow and white. Claw to 6mm long. Limb of petal 3-4mm long, -2mm broad, glabrous. Stamens 6. Filaments glabrous, whitish, to 6mm long. Anthers -1mm long, greenish-yellow. Ovary to 5mm long, 4-angled, .5mm broad. Style wanting. Sepals 4, distinct, pubescent as stem and leaves, to -6mm long, 1.1mm broad, linear, light green with lighter margins near apex, erect.

Erysimum repandum calyx Calyx close-up.

Erysimum repandum flower Flower close-up.

Fruit - Siliques to 7.5cm long, 4-angled, widely spreading to erect, with pubescence as stem and leaves, beaked, many seeded. Beak to 4mm long. Pedicels thick, to 5mm long, typically at nearly right angles to axis of stem.

Flowering - April - July.

Habitat - Waste ground, disturbed sites, roadsides, railroads.

Origin - Native to Europe.

Other info. - Still another of the many introduced members of the Brassicaceae ! This plant is extremely common and can be found almost anywhere. The flowers can be solid yellow or bicolored as seen above. The taproot can get quite large for the size of the plant, especially if there is not much water near the surface of the ground.

Photographs taken at the Kansas City Zoo, 4-20-00, and at Eagle Bluffs Conservation Area, Boone County, MO., 4-11-04.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=ERRE4 ---> https://plants.usda.gov/java/profile?symbol=ERRE4
https://plants.usda.gov/java/profile?symbol=ERRE4 ---> http://plants.usda.gov/core/profile?symbol=ERRE4
http://plants.usda.gov/core/profile?symbol=ERRE4 ---> https://plants.usda.gov/core/profile?symbol=ERRE4
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You are here: Home / Plant Profile

Erysimum repandum L.
spreading wallflower

Image of Erysimum repandum

General Information
Symbol: ERRE4
Group: Dicot
Family: Brassicaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : CAN   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   

Images

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

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 173. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
CHRE5 Cheirinia repanda (L.) Link

Classification

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 Erysimum L. – wallflower
Species Erysimum repandum L. – spreading wallflower

Subordinate Taxa

This plant has no children

Legal Status

U.S. Weed Information
Erysimum repandum spreading wallflower 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.

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (ERRE4)
Integrated Taxonomic Information System (CHRE5)
Integrated Taxonomic Information System (ERRE4)
Jepson Interchange (University of California - Berkeley) (ERRE4)
University of Tennessee Herbarium (Distribution) (ERRE4)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

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 535, 544 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Erysimum

17. Erysimum repandum Linnaeus, Demonstr. Pl. 17. 1753.

Cheirinia repanda (Linnaeus) Link

Annuals. Trichomes of leaves 2-rayed, mixed with fewer 3-rayed ones. Stems erect, unbranched or branched basally, (0.4-)1.5-4.5(-7) dm. Basal leaves (often withered by fruiting), similar to cauline. Cauline leaves: (proximal and median) petiolate and (distal) sessile, (petiole (0.3-) 0.5-2(-3) cm); blade [linear, narrowly oblanceolate, elliptic, or oblong, (1-)2-8(-11) cm × (2-)5-12(-17) mm, base attenuate], margins sinuate or coarsely dentate to denticulate or repand, (distal) entire or denticulate, (apex acute). Racemes considerably elongated in fruit. Fruiting pedicels divaricate, stout, as wide as fruit, 2-4(-6) mm. Flowers : sepals linear-oblong, 4-6 mm, lateral pair not saccate basally; petals yellow, narrowly oblanceolate to spatulate, 6-8 × 1.5-2 mm, claw 3-6 mm, apex rounded; median filaments 4-6 mm; anthers narrowly oblong, 0.8-1.3 mm. Fruits widely spreading to divaricate-ascending, narrowly linear, straight or curved upward, somewhat torulose, (2-)3-8(-10) cm × 1.5-2 mm, 4-angled, not striped; valves with prominent midvein, pubescent outside, trichomes 2-rayed and, fewer, 3-rayed, often glabrous, sometimes pubescent inside; ovules (40-)50-80(-90) per ovary; style cylindrical or subclavate, stout, 1-4 mm, sparsely pubescent; stigma slightly 2-lobed, lobes as long as wide. Seeds oblong, 1.1-1.5 × 0.6-0.7 mm; not winged or, rarely, winged distally. 2 n = 16.

Flowering Apr-Jun. Disturbed sites, roadsides, fields, waste places, barren hillsides, brush communities, pastures; 0-2100 m; introduced; B.C., Ont., Que.; Ala., Ariz., Ark., Calif., Colo., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Miss., Mo., Mont., Nebr., Nev., N.J., N.Mex., N.Y., N.C., Okla., Oreg., Pa., Tenn., Tex., Utah, Va., Wash., W.Va., Wyo.; Eurasia; n Africa; introduced also in South America, Australia.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Erysimum+repandum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Erysimum+repandum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 4
Query: SELECT * FROM img WHERE ready=1 and taxon like "Erysimum repandum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Erysimum repandum
Erysimum repandum
ID: 0000 0000 0918 3183 [detail]
© 2018 John Doyen

Erysimum repandum
Erysimum repandum
ID: 0000 0000 0918 3184 [detail]
© 2018 John Doyen

Erysimum repandum
Erysimum repandum
ID: 0000 0000 0918 3185 [detail]
© 2018 John Doyen

Erysimum repandum
Erysimum repandum
ID: 0000 0000 0918 3186 [detail]
© 2018 John Doyen

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