Explain the structure of a flower.
Answers
A typical flower has four main parts—or whorls—known as the calyx, corolla, androecium, and gynoecium (Figure 1). The outermost whorl of the flower has green, leafy structures known as sepals. ... The second whorl is comprised of petals—usually, brightly colored—collectively called the corolla.
Explanation:
A typical flower has four main parts or whorls - known as the calyx, corolla, androecium, and gynoecium. The outermost whorl of the flower has green, leafy structures known as sepals. The sepals or collectively called the calyx help to protect the unopened bud. The second whorl is comprised of petals, usually brightly colored, collectively called the corolla. The number of sepals and petals varies depending on whether the plant is a monocot or dicot. In monocots, the number of petals is three or multiples of three. In dicots, the number of petals is four to five or multiples of four or five. The third whorl contains the male reproductive structures and is known as the androecium. The androecium has stamens with anthers. The innermost group of structures in the flower is the gynoecium, or the female reproductive component. The carpel is the individual unit of the gynoecium and has a stigma, style, and ovary. A flower may have one or multiple carpels.
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