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The calyx is the collective term for all the sepals of a flower, forming the outermost whorl that protects the flower bud, whereas a sepal is an individual leaf-like part of the calyx, often green and serving to shield and support the developing bud.
Sepal, any of the outer parts of a flower that enclose and protect the unopened flower bud. The sepals on a flower are collectively referred to as the calyx. They are sterile floral parts and may be either green or leaflike or composed of petal-like tissue.
The calyx (the sepals) and the corolla (the petals) are the outer sterile whorls of the flower, which together form what is known as the perianth. [17] In some plants, such as Aristolochia , the calyx is the primary whorl, forming a flower up to 20 inches (51 cm) wide, with one sepal growing to a length of 13 feet (4.0 m) – Aristolochia ...
The outermost whorl of a flower is called the calyx and is composed of sepals. Inside the calyx is the corolla , which is composed of petals . The sepals are often smaller and less colorful than the petals, but this general rule can be misleading.
Collectively known as the calyx, sepals act as protective covers for the developing flower bud before it blossoms. These modified leaves shield the delicate inner parts from external damage and provide structural support to the flower.
The sepals of some flowers are brightly-colored and resemble petals (see tepals, below). Calyx. The entire whorl of sepals is known as the calyx. Its function is to protect the inner parts of the flower during the bud stage. Petal. Working inwards, the next whorl after the sepals / calyx consists of the flower's petals.
Sepals (Calyx): These are small, modified leaves that enclose and protect the flower bud before it opens. They are often green, but in some flowers they are brightly colored and resemble the petals.