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FutureStarrAWhat Color Are Violet Flowers
I am only a little girl, just like you. Let me show you the colors of the mountains where I live. They are very pretty colors. They are not like any I can show you here in the city. The colors of the mountains will have many different names, and each color has a meaning. Do you have any questions about colors?Violets are in the plant genus Viola which includes the violets (small flowers) and pansies (large flowers). There are some 30 species of violets in Ohio, some being very common (e.g. common blue violet (V. sororia)) and some being fairly rare (e.g. southern wood violet (V. hirsutula)) restricted to specific habitats. The wild violets are hardy perennials that are spread by seed and underground, horizontal stems called rhizomes.
Are violets desirable wildflowers or weeds? The answer to that question depends on the person who has the violets. Violets are beautiful little flowers that bloom from early spring into the summer and sometimes even into the fall. Four common species that can be found in most parts of Ohio are the previously mention common blue violet (V. sororia), a color variation of this violet, the confederate violet (V. sororia f. priceana), the striped white violet (V. striata), and the downy yellow violet (V. pubescens).Even management with herbicides can be difficult. The leaves of violets have a thick, waxy cuticle which is resistant to penetration. Herbicides with the active ingredient triclopyr are effective, but it may require multiple treatments over a couple of years to rid an area of unwanted violets. Triclopyr is active against numerous tough to control plants (trees, shrubs, vines, weeds), so be very careful where this product is applied, how it is applied and how much is applied. When using pesticides, be sure to read all labels and follow instructions.
In the RGB color model used in computer and television screens, violet is produced by mixing red and blue light, with more blue than red. In the RYB color model historically used by painters, violet is created with a combination of red and blue pigments and is located between blue and purple on the color wheel. In the CMYK color model used in printing, violet is created with a combination of magenta and cyan pigments, with more magenta than cyan. In humans, the L (red) cone in the eye is primarily sensitive to long wavelength light in the yellow-red region of the spectrum, but is also somewhat sensitive to the shorter wavelength violet light that primarily stimulates the S (blue) cone. As a result, when violet light strikes the eye, the S-cone is stimulated strongly and the L-cone is stimulated weakly. Accordingly, strong blue light mixed with weaker red light can mimic this pattern of stimulation, causing humans to perceive colors that have the same hue as violet, but with lower saturation. (Source: en.wikipedia.org)