Scientists discovered that the red stigmas in wind-pollinated trees accumulate anthocyanin, the same compounds that are revealed in autumn leaves after green chlorophyll production slows down and ...
Ecologists whimsically decided to call the parts that make up a flower its whorls. The first whorl of a flower is known as the calyx, which is the plant’s green, leafy outer structure that protects it ...
We have looked at plants as a whole, then the individual parts (seeds, roots, stems, and leaves) to explore their world. Today, we are delving into flowers, the sexual parts of the plants. The ...
Flowers usually have four distinct parts: petals, sepals, stamens and pistils. The petals are usually colorful and attract pollinators. The sepals are green and protect the flower bud. The stamens are ...