Descurainia pinnata Descurainia pinnata /ˌdɪsɜːkwəˈrɪniːə pɪnˈneɪtə/

noun

1. North American herb with bitter-tasting pinnate leaves resembling those of tansy  ( Descurainia pinnata , tansy mustard )
   North American herb with bitter-tasting pinnate leaves resembling those of tansy