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Dracaena sanderiana is a species of flowering plant in the family Asparagaceae, native to Central Africa. [3] It was named after the German–English gardener Henry Frederick Conrad Sander (1847–1920).
Hibiscus flower. Flower colour in certain species, such as H. mutabilis and H. tiliaceus, changes with age. [10] The fruit is a dry five-lobed capsule, containing several seeds in each lobe, which are released when the capsule dehisces (splits open) at maturity. It is of red and white colours. It is an example of complete flowers.
[21] [22] The flower can also be used as a pH indicator; when used, the flower turns acidic solutions to a dark pink or magenta color and turns basic solutions to green. In several countries the flowers are dried to use in a beverage, usually tea. Hibiscus × rosa-sinensis is considered to have a number of medical uses in Chinese herbology. [23]
In other flowers (e.g., Rosaceae, Myrtaceae), a hypanthium includes the bases of sepals, petals, and the attachment points of the stamens. Mechanical cues may be responsible for sepal growth and there is a strong evidence suggesting that microtubules are present and determine the tensile strength and direction of growth at a molecular level.
Andrew_Loomis,_Successful_Drawing.pdf (312 × 435 pixels, file size: 22.69 MB, MIME type: application/pdf, 151 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The flowers are 8–10 cm (3–4 in) in diameter, white to pale yellow with a dark red spot at the base of each petal, and have a stout, conspicuous calyx at the base, 1–2 cm (0.39–0.79 in) wide, enlarging to 3–3.5 cm (1.2–1.4 in) and becoming fleshy and a deep crimson red as the fruit matures, which takes about six months.
In 2004, a motion was filed in the House of Representatives of the Philippines to declare the Waling-waling as the country's national flower, replacing the Sampaguita. [9] [10] In 2013, a bill was passed by the Philippine Senate declaring the Waling-waling as a national flower alongside the Sampaguita. [11]
In a mature flower, the perianth consists of a calyx and the corolla (petals) it supports. Petals are modified leaves that form an inner whorl surrounding the reproductive parts of flowers. They are often brightly coloured or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the corolla.