Sentences with phrase «red penstemons»
Not exact matches
In the case of penstemons, with over 200 species to choose from, scientists Carolyn Wessinger and Mark Rausher have now shown that turning their flowers from blue to red involves knocking out the activity of just a single enzyme involved in the production of blue floral pigments.
https://www.sciencedaily.com/
«Turning pretty penstemon flowers from blue to red.»