Siberian wallflower

noun

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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“Siberian wallflower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Siberian%20wallflower. Accessed 16 Jan. 2022.

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