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Erysimum repandum L.
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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Following modified from MissouriPlants.com
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Following modified from Plants Database, United States Department of Agriculture
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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.

Updated: 2020-08-14 07:52:20 gmt
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