Virescent or Viridescent: greenish or becoming green.
"Explanation of Terms Used in Entomology" by John. B. Smith
Some of the above are probably cases of mere virescence rather than of phyllody.
"Vegetable Teratology" by Maxwell T. Masters
Even the runners, sinuously encroaching upon the sidewalk, were deeply virescent.
"Greener Than You Think" by Ward Moore
Various other blossoms respond in their own particular virescent hues to the vapors of ammonia, as the reader will discover upon experiment.
"Eye Spy" by William Hamilton Gibson
Her eyes shone virescent with hatred and the tiny blue veins on her white forehead under the tawny clubbed curls became varicose.
"The Shriek" by Charles Somerville