flower-color

Updated: May 9, 2025

Of course it was not possible to ascertain from which variety the plant had really originated, but the reproduction of any one clearly defined varietal mark is in itself proof enough of their origin, and of the latency of the dark brown flower-color in this special case. A still better proof is afforded by a new type of green dahlia.

Hugo de Vries - Species and Varieties, Their Origin by Mutation

The combination of flower-color and pubescence gave the following composition for the second hybrid generation: Number % Calculation Hairy and red 70 44 56.25% Hairy and white 23 14 18.75% Smooth and red 46 23 18.75% Smooth and white 19 12 6.25%

Hugo de Vries - Species and Varieties, Their Origin by Mutation

The characters chosen for our experiment include the absence of stem and flowers in the first year, and therefore would require a second year to determine the flower-color on the perennial specimens. Instead of doing so I have taken another character, shown by the teeth of the capsules when opening.

Hugo de Vries - Species and Varieties, Their Origin by Mutation