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Definition of yellow balsam in English:

yellow balsam

noun

  • An annual herbaceous plant native to Europe and Asia, Impatiens noli-tangere (family Balsaminaceae), having yellow two-lipped flowers with long spurs, and seed capsules which burst open when touched; also called noli me tangere, touch-me-not.

Origin

Late 18th century; earliest use found in Thomas Martyn (1735–1825), botanist. After post-classical Latin balsamina lutea.