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Blue flower colour was always associated with something unusual and desired. Blue roses especially were assumed to be a dream that cannot be realised. Blue colour in flower petals is caused by anthocyanins, which are members of flavonoid class metabolites. We can diversify three main classes of anthocyanin pigments: cyaniding type (two hydroxyl ...
Nymphaea ( / nɪmˈfiːə /) is a genus of hardy and tender aquatic plants in the family Nymphaeaceae. The genus has a cosmopolitan distribution. Many species are cultivated as ornamental plants, and many cultivars have been bred. Some taxa occur as introduced species where they are not native, [3] and some are weeds. [4]
Colors and soil acidity Hydrangea flower color changes based on the pH in soil. As the graph depicts, soil with a pH of 5.5 or lower will produce blue flowers, a pH of 6.5 or higher will produce pink hydrangeas, and soil in between 5.5 and 6.5 will have purple hydrangeas. Hydrangea flower color can change based on the pH in soil.
The flowers are produced singly or up to five together in a cyme; they are around 3–5 cm (1 + 1 ⁄ 4 –2 in) diameter, and sweetly scented; the original natural flower color is bright pinkish-purple, but cultivars of other colors, including red, pink, yellow, white, and green have been developed. While sometimes dyed blue for cut bouquets ...
The name Dianthus is from the Greek διόσανθος, a compound from the words Δῖος Dios ("of Zeus") and ἄνθος anthos ("flower"), and was cited by the Greek botanist Theophrastus. [3] The color pink may be named after the flower, coming from the frilled edge of the flowers: the verb "to pink" dates from the 14th century and means ...
The reproductive parts of an orchid flower are unique in that the stamens and style are joined to form a single structure, the column. [10] [11] [12] Instead of being released singly, thousands of pollen grains are contained in one or two bundles called pollinia that are attached to a sticky disc near the top of the column.
Achillea millefolium, commonly known as yarrow ( / ˈjæroʊ /) or common yarrow, is a flowering plant in the family Asteraceae. Growing to 1 metre ( feet) tall, it is characterized by small whitish flowers, a tall stem of fernlike leaves, and a pungent odor. The plant is native to temperate regions of the Northern Hemisphere in Asia, Europe ...
The flowers are large, conspicuous, trumpet-shaped, with five or more petals, colour from white to pink, red, blue, orange, peach, yellow or purple, and from 4–18 cm broad. Pollen grain Hibiscus flower. Flower colour in certain species, such as H. mutabilis and H. tiliaceus, changes with age.