Goldenrod (color) Goldenrod (color) Goldenrod is a color that resembles the goldenrod plant. A Crayola crayon with this name and color, although a lighter version, was created in 1958. Displayed at right is the web color goldenrod. The color "goldenrod" is a representation of the color of some of the deeper gold colored goldenrod flowers. The first known recorded use of "goldenrod" as a color name in English was in 1915. The web color light goldenrod yellow is displayed at right. The web color pale goldenrod is displayed at right. The web color dark goldenrod is a color that resembles the color
Basics of white flower colouration is a method to turn petunia flowers from white to transparent. The petunia flower is immersed into a flask of water, connected to a vacuum pump, after which the flower appeared colourless. The white colour is expressed by the air present in the vacuoles that absorb the light, without air the flower would lose the white colour. There is an increasing interest in flower colour, since some colorations are currently unavailable in plants. Ornamental companies create new flower colour by classical and mutation breeding and biotechnological approaches. For example white bracts in "Poinsettia" are obtained by high frequency irradiation. Basics