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  2. Basics of blue flower colouration - Wikipedia

    en.wikipedia.org/wiki/Basics_of_blue_flower...

    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 ...

  3. Nymphaea - Wikipedia

    en.wikipedia.org/wiki/Nymphaea

    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]

  4. Structural coloration - Wikipedia

    en.wikipedia.org/wiki/Structural_coloration

    Structural coloration in animals, and a few plants, is the production of colour by microscopically structured surfaces fine enough to interfere with visible light instead of pigments, although some structural coloration occurs in combination with pigments. For example, peacock tail feathers are pigmented brown, but their microscopic structure ...

  5. Rosaceae - Wikipedia

    en.wikipedia.org/wiki/Rosaceae

    The bases of the sepals, petals, and stamens are fused together to form a characteristic cup-like structure called a hypanthium. They can be arranged in spikes, or heads. Solitary flowers are rare. Rosaceae have a variety of color petals, but blue is almost completely absent. Fruits and seeds

  6. Hibiscus - Wikipedia

    en.wikipedia.org/wiki/Hibiscus

    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.

  7. Gentiana - Wikipedia

    en.wikipedia.org/wiki/Gentiana

    Gentiana ( / ˌdʒɛntʃiˈeɪnə /) [2] is a genus of flowering plants belonging to the gentian family ( Gentianaceae ), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. With over 300 species, it is considered a large genus. Gentians are notable for their mostly large trumpet-shaped flowers, which are often of an intense blue hue.

  8. Orchid - Wikipedia

    en.wikipedia.org/wiki/Orchid

    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.

  9. List of U.S. state and territory flowers - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    Retrieved 2019-12-30. ^ Killingsworth, Ron (2012-05-23). "LA Irises, The Wildflower of the State of Louisiana". World of Irises. American Iris Society. Retrieved 2019-12-30. ^ "State Flower - White Pine and White Pine Cone & Tassel". Maine Secretary of State. Retrieved 2019-12-30.

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