Flora of Newfoundland and Labrador
Flora of Newfoundland and Labrador
Brassicaceae/Brassicacées - Mustard Family
Erysimum cheiranthoides L.
En: wormseed wallflower, treacle mustard, wormseed mustard
Fr: vélar fausse-giroflée, herbe au chantre
Provincial Status: LiNi
Range: Circumboreal (disj.), mainly native in nNA; intr. in w/nw/c/eNfld., N to w/cLab.

[=Cheiranthus cheiranthoides (L.) A.Heller]
[=Cheirinia cheiranthoides (L.) Link]
[=Crucifera erysimum E.H.L.Krause]
[=Erysimum altum (Ahti) Tzvelev]
[=Erysimum brevifolium Z.X.An]
[=Erysimum cheiranthoides L. subsp. altum Ahti]
[=Erysimum cheiranthoides L. subsp. cheiranthoides]
[=Erysimum cheiranthoides L. var. japonicum H.Boissieu]
[=Erysimum japonicum (H.Boissieu) Makino]
[=Erysimum parviflorum Pers.]

[Ahti (1961) and Hultén (1968) believe Erysimum cheiranthoides to be native in the northern part of its range; Ahti recognizes this northern biennial taxon as subsp. altum, and through examination of herbarium records, has determined the range of subsp. altum in eastern Canada to include northern Québec and northern Ontario, but not insular Nfld., although subsp. altum is expected to occur in Labrador (T. Ahti, pers. comm., Apr. 2015). Rollins (1993) does not recognize subspecific taxa, but does state that although widely introduced from Eurasia, Erysimum cheiranthoides is "apparently indigenous in some areas."]

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