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Erysimum repandum L.
Spreading wallflower

Life   Plantae   Dicotyledoneae   Brassicaceae   Erysimum

Click on map for details about points.


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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Following modified from MissouriPlants.com
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Erysimum repandum L.

Bushy Wallflower, Treacle Mustard

Erysimum repandum plant

Family - Brassicaceae

Habit - Perennial forb from a stout taproot.

Stems - 1 per plant, variously spreading to erect, 7-50 cm, usually unbranched below the inflorescence, pubescent with appressed 2- and 3-branched hairs.

Erysimum_repandum_stem.jpg Stem and nodes.

Leaves - Basal and alternate, simple, sessile. Blades 2-8 cm long, linear to narrowly oblanceolate, the margins usually entire or the lower leaves commonly shallowly and broadly toothed, rarely pinnately lobed, pubescent with appressed 2- and 3-branched hairs.

Erysimum_repandum_basals.jpg Basal leaves.

Erysimum_repandum_leaf1.jpg Leaf adaxial.

Erysimum_repandum_leaf2.jpg Leaf abaxial.

Inflorescences - Panicles or racemes at branch tips.

Erysimum repandum inflorescence

Flowers - Sepals 4, 4-6 mm long, narrowly oblong, erect, green, hairy. Petals 4, 6-8 mm long, unlobed, light yellow to yellow, often grading to whitish at the base. Styles 0.5-2.0 mm long.

Erysimum_repandum_sepals.jpg Sepals.

Erysimum_repandum_corollas.jpg Corollas.

Fruits - Siliques, loosely ascending or spreading, 3-8 cm long, usually noticeably 4-angled in cross-section, pubescent with 2-branched hairs, the stalks 2-4 mm long, stout and about as wide as the fruits. Seeds 0.9-1.1 mm long, oblong-elliptic in outline, somewhat flattened, not winged.

Erysimum_repandum_fruits2.jpg Fruits.

Erysimum_repandum_fruits1.jpg Fruit stalks.

Flowering - March - June.

Habitat - Roadsides, fields, pond margins, open disturbed areas.

Origin - Native to Europe.

Lookalikes - Erysimum inconspicuum , E. cheiranthoides .

Other info. - This is an extremely variable plant. Established late-season specimens can be branched and bushy, as in the habit photo at the top of this page, but young plants early in the season can flower when only a few inches high with a single erect stem. The species is found in scattered locations in Missouri, most commonly in counties bordering the Missouri and Mississippi Rivers. It is also found across most of the continental U.S. It is easily identified by its generally weedy habit and small yellow flowers in the Brassicaceae pattern. It can be distinguished from its lookalikes by its stout fruit stalks, which are similar in diameter to the fruits (see image above).

Photographs taken at the Kansas City Zoo, 4-20-00, and at Eagle Bluffs Conservation Area, Boone County, MO., 4-11-04 (DETenaglia); also at Marais Temps Clair Conservation Area, St. Charles County, MO, 5-4-2015 and 4-9-2019 (SRTurner).

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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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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
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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 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 .



Symbol Scientific Name
CHRE5 Cheirinia repanda (L.) Link


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)



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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Link to Flora of North America home
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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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