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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about Siberian wallflower

Share Siberian wallflower

Statistics for Siberian wallflower

Look-up Popularity

Comments on Siberian wallflower

What made you want to look up Siberian wallflower? Please tell us where you read or heard it (including the quote, if possible).


a knickknack or trinket

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!