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Erysimum inconspicuum (S. Watson) MacMill.
Small wormseed mustard

Life   Plantae   Dicotyledoneae   Brassicaceae   Erysimum

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Associates · map
FamilyScientific name @ source (records)
Botryosphaeriaceae  Phyllosticta erysimi @ BPI (1)
Colletidae  Colletes nigrifrons @ RMBL_ENT (1)
Halictidae  Halictus confusus @ RMBL_ENT (2); DART_ENT (1)

Halictus rubicundus @ DART_ENT (1)
Miridae  Lopidea teton @ AMNH_PBI (1)

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Erysimum inconspicuum (S. Watson) MacMill.
shy wallflower

General Information
Symbol: ERIN7
Group: Dicot
Family: Brassicaceae
Duration: Biennial
Growth Habit : Forb/herb
Native Status : AK   N
L48   N
Data Source and Documentation
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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
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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 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 inconspicuum (S. Watson) MacMill. – shy wallflower

Subordinate Taxa

The Plants Database includes the following 1 subspecies of Erysimum inconspicuum . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Erysimum inconspicuum</i>
(S. Watson) MacMill. var. <i>
inconspicuum </i>
Erysimum inconspicuum var. inconspicuum
shy wallflower

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Interpreting Wetland Status

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Lady Bird Johnson Wildflower Center Native Plant Information Network (ERIN7)
Native American Ethnobotany (University of Michigan - Dearborn) (ERIN7)
University of Wisconsin - Stevens Point Freckmann Herbarium (ERIN7)



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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, 540, 541 , 542 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Erysimum

11. Erysimum inconspicuum (S. Watson) MacMillan, Metasp. Minnesota Valley. 268. 1892.

Erysimum asperum (Nuttall) de Candolle var. inconspicuum S. Watson, Botany (Fortieth Parallel), 24. 1871; Cheiranthus inconspicuus (S. Watson) Greene; C. syrticola (E. Sheldon) Greene; Cheirinia inconspicua (S. Watson) Rydberg; C. parviflora Farwell; C. syrticola (E. Sheldon) Rydberg; E. asperum var. parviflorum M. E. Jones; E. inconspicuum var. syrticola (E. Sheldon) Farwell; E. syrticola E. Sheldon

Biennials or perennials; (short-lived, caudex thickened, usually simple, rarely branched). Trichomes of leaves 2- or 3-rayed. Stems erect, unbranched or branched distally, 1.5-7 dm. Basal leaves: blade linear to linear-oblanceolate, 1.5-6(-8) cm × 2-8 mm, base attenuate, margins entire or dentate, apex acute. Cauline leaves (distal) sessile; blade margins entire or denticulate. Racemes elongated or not in fruit. Fruiting pedicels divaricate-ascending to ascending, stout, slightly narrower than fruit, 4-9(-15) mm. Flowers : sepals oblong to linear-oblong, 4-6 mm, lateral pair slightly saccate basally; petals yellow, oblanceolate, 6-9 (-11) × 1-2 mm, claw 5-7 mm, apex rounded; median filaments 5-7 mm; anthers narrowly oblong to linear, 1-2 mm. Fruits ascending to divaricate-ascending, (not appressed to rachis), narrowly linear, straight, not torulose, 3-5.8(-7) cm × 1-1.5(-1.8) mm, slightly 4-angled or terete, not striped; valves with somewhat prominent midvein, pubescent outside, trichomes 2-4-rayed, glabrous inside; ovules 36-66 per ovary; style cylindrical, stout, 0.7-3 mm, moderately to sparsely pubescent; stigma strongly 2-lobed, lobes as long as wide. Seeds ovoid, 1.2-1.7 × 0.8-1 mm; not winged or wing apiculate. 2 n = 81.

Flowering Apr-Aug. Calcareous talus and cliffs, roadsides, railroad embankments, abandoned fields, hillsides, alkaline ground, bluffs, crevices and ledges, gravel, prairies, rocky pastures, among brush, waste sites; 100-2700 m; Alta., B.C., Man., N.S., Ont., Que., Sask., Yukon; Alaska, Ark., Colo., Idaho, Ill., Ind., Kans., Maine, Mich., Minn., Mo., Mont., Nev., N.H., N.Y., N.Dak., Ohio, Okla., Oreg., S.Dak., Utah, Wis., Wyo.

Erysimum inconspicuum is known in Yukon from Raup & Correll 11255 (A), which was collected 7 miles east of Little Atlin Lake, and Malte s.n. (GH), which was collected from Dawson on 10 August 1916. Most of the other collections from Yukon identified as E. inconspicuum belong to E. coarctatum . The record from Quebec is based on Cayouette J80-8 (GH), from Cté de Charlevoix, and Victorin, Germain, & Meilleur 43128 (GH), from Du Lac-Saint-Jean.

Updated: 2020-06-03 08:34:39 gmt
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