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Viola is a genus of flowering plants in the violet family Violaceae. It is the largest genus in the family, containing over 680 species. Most species are found in the temperate Northern Hemisphere; however, some are also found in widely divergent areas such as Hawaii, Australasia, and the Andes. Some Viola species are perennial plants, some are ...
Viola sororia is a short-stemmed, herbaceous perennial plant that grows in well-drained and shady habitats. [ 5] This 15–25 centimeters (6–10 in) wide violet has glossy, heart-shaped leaves and are topped with purple flowers with white throats. The lower three petals are hairy and the stem of the flower droops slightly. [ 7]
Crystal violet lactone ( CVL) is a leuco dye, a lactone derivate of crystal violet 10B. In pure state it is a slightly yellowish crystalline powder, soluble in nonpolar or slightly polar organic solvents . The central carbon in the leuco form is in a tetrahedral configuration, with four covalent bonds . In an acidic environment, the lactone ...
The petals of violets have long been used in herbalism for their medicinal properties, even mentioned by Dioscorides. [3] "Violet tables", sugary lozenges flavoured with violets, were made before 1620. [4] During the 18th century, crushed violet petals, rosewater, and sugar were combined to make an early type of confectionery known as flower ...
Viola bellidifolia. Viola cascadensis. Viola adunca is a species of violet known by the common names hookedspur violet, early blue violet, sand violet, and western dog violet. It is native to meadows and forests of western North America, Canada, and the northern contiguous United States. [ 1][ 2]
Three years ago, as the long-struggling Citigroup was in a tailspin over a billion-dollar fat-finger error, the bank announced its next CEO, Jane Fraser.
Parma violets belong to the more exotic branch of the violet family. First appearing in Italy, in the 20th century, most types of parma violets have lavender flowers of varying sizes, which have an attractive fragrance. The origins of the parma violet are unknown, though they have been shown to be derived from two different Viola alba strains ...
Alfred’s victory is the culmination of a journey that she said began in St. Lucia’s capital city, Castries, with her running barefoot in her school uniform.