Write the types of
flower on the basis of
resence of reproductive
whorls and floral
wheels.
Answers
Answer:
Flowers are the reproductive unit in the angiosperms. ... A typical flower has four different kinds of whorls arranged successively on the swollen end of the stalk or pedicel, called thalamus or receptacle. These four parts are called calyx, corolla, androecium, and gynoecium. Calyx and corolla are accessory organs.The reproductive whorl of a flower is the petals, the sepals, and the reproductive organs — the stamens (anthers and filament) and pistil (stigma, style, and ovary.)
Answer:
Perianth
In some flowers like lily, the calyx and corolla are not distinct and are termed as perianth. Now, we will look at the various parts of flowers in greater details.
flower bouquet
Parts of the Flower
Each flower normally has four floral whorls, viz., calyx, corolla, androecium, and gynoecium. Let us look at each of these parts individually.
i) Calyx (Sepals)
The calyx may be gamosepalous (sepals united) or polysepalous (sepals free). Generally, sepals are green, leaf-like and protect the flower in the bud stage. They form the outermost whorl of the flower.
ii) Corolla (Petals)
Petals are usually brightly coloured to attract insects for pollination. Yes! That is why the flowers are coloured and attractive! Corolla may be also free (gamopetalous) or united (polypetalous). The shape and colour of corolla vary greatly in plants. It may be tubular, bell-shaped, funnel-shaped or wheel-shaped.
iii) Androecium (Stamens)
This part of the flower represents the male reproductive organ. Each stamen consists of a stalk or a filament and an anther. Each anther is usually bilobed and each lobe has two chambers, the pollen-sacs. The pollen grains are produced in pollen-sacs. A staminode is a sterile stame
Solution: There are different types of flowers based on their reproductive organs, symmetry etc.
On the basis of reproductive organs, flowers are unisexual or bisexual.
On the basis of symmetry, flowers are Actinomorphic (radial symmetry), zygomorphic (bilateral symmetry) or asymmetric (irregular).
A flower may be trimerous, tetramerous or pentamerous when the floral appendages are in multiple of 3, 4 or 5, respectively.
On the