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Brassicaceae
Erysimum

not marked as a favorite taxon Erysimum capitatum (Douglas ex Hooker) E.L. Greene var. capitatum. Common name: Western Wallflower. Phenology: Apr-Jul; Jun-Aug. Habitat: Shale barrens and shale woodlands, limestone bluffs and calcareous rocky woodlands. Distribution: MT and BC south to w. TX, CA, and Mexico; disjunct eastwards in AR, MO, TN, KY, WV, VA, IL, etc. Though most floras (including C, F, and G) state or give the impression that Erysimum is not native east of IL, MO, and AR ("rarely adventive farther east along railroads"), this taxon is native and relictual in w. VA (Alleghany and Bath counties), e. WV (Grant and Pendleton counties), ec. TN (Chester, Wofford, & Kral 1997), and c. KY (Campbell 2013).

Glossary (beta!)

Origin/Endemic status: Native

Taxonomy Comments: Rollins (1993) interprets E. capitatum as including five varieties, all but the typic restricted to the Great Plains and west.

Synonymy ⓘ: = Ar, FNA7, NE, Va, Rollins (1993); = Erysimum asperum (Nutt.) DC. var. asperum — C, misapplied; = Erysimum capitatum (Douglas ex Hook.) Greene ssp. capitatum — Al-Shehbaz (1988d); = n/a — Tat; < Cheirinia aspera (Nutt.) Britton — S, misapplied; > Erysimum arkansanum Nutt. — F, S13; < Erysimum asperum (Nutt.) DC. — G, Mex, misapplied; < Erysimum capitatum (Douglas ex Hook.) Greene — GrPl, Il, K4, Mi, NcTx, Tn, Tx. Basionym: Cheiranthus capitatus Douglas 1829

Links to other floras: = Erysimum capitatum var. capitatum - FNA7

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Heliophily ⓘ: 8

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image #1 of Erysimum capitatum var. capitatum© Alan Cressler: Erysimum capitatum, Cedar Mesa, San Juan County, Utah 1 by Alan Cressler source | Original Image ⭷
image #2 of Erysimum capitatum var. capitatum© Clara Thiel source CC-BY | Original Image ⭷
image #3 of Erysimum capitatum var. capitatum© Alan Cressler: Erysimum capitatum, Glacier Basin, Rocky Mountain National Park, Larimer County, Colorado 1 by Alan Cressler source | Original Image ⭷
image #4 of Erysimum capitatum var. capitatum© Clara Thiel source CC-BY | Original Image ⭷
image #5 of Erysimum capitatum var. capitatum© Alan Cressler: Erysimum capitatum, Rocky Mountain National Park, Larimer County, Colorado 1 by Alan Cressler source
image #6 of Erysimum capitatum var. capitatum© Alan Cressler: Erysimum capitatum var. capitatum, tundra, Toll Memorial Mountain, Rocky Mountain National Park, Larimer County, Colorado 1 by Alan Cressler source
image #7 of Erysimum capitatum var. capitatum© Clara Thiel source CC-BY | Original Image ⭷

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