Siberian wallflower


Definition of Siberian wallflower

: a showy erect biennial or short-lived perennial cruciferous herb (Cheiranthus × allionii) that is often cultivated for its terminal racemes of bright orange-yellow flowers with the claws of the petals exceeding the calyx in length

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Cite this Entry

“Siberian wallflower.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2022.

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