homochromous

homo- +‎ chromo- +‎ -ous

homochromous (not comparable)

1. (botany) Having all the florets in the same flower head of the same colour.
2. Having both eyes the same color; not heterochromous.
   • 2008, Hans-Walter Schmuhl, The Kaiser Wilhelm Institute for Anthropology, Human Heredity and Eugenics, 1927-1945, page 380:

     Thus, it is probable that Magnussen herself photographed the (homochromous) eyes of one pair of twins from the Mechau family, which Georg Wagner had brought to the institute in Dahlem for examination before their deportation to Auschwitz in March 1943, and that she received additional photographs of the (heterochromous) eyse of members of the family in Auschwitz from Liebau.

3. All of one color; monochromatic.
   • 1957, Arid Zone Research - Issue 8, page 122:

     He obtained in various experiments 124 captures on non-homochromous ground against 68 on homochromous at low illumination.

   • 2009, Advances in Insect Physiology: Locust Phase Polyphenism: An Update, page 55:

     Fuzeau-Braesch (1985, p. 574) even stated that "gregarious adults are incapable of darkening if transferred onto a black background, as opposed to the solitarious kind that easily bedome homochromous: grouping inhibits homochromy".