The following points highlight the four essential accessory whorls of a flower. The essential accessory whorls are:- 1. Calyx 2. Corolla 3. Androecium 4. Gynoecium. Accessory Whorls # 1. Calyx: The calyx is the outermost accessory set of floral leaves, consisting of sepals. Sepals are usually green inconspicuous bodies. They protect the essential whorls against mechanical injuries and desiccation in [...]
In this article we will discuss about:- 1. Meaning of Cross-Pollination 2. Advantages and Disadvantages of Cross-Pollination 3. Adaptations. Meaning of Cross-Pollination: If pollen grains are carried to the stigma of a flower of the same species growing on a different plant, it is cross-pollination. All unisexual flowers are cross-pollinated and even the bisexual flowers which, in fact, form the [...]
Here is a list of few common flowers with description:- 1. China-Rose 2. Sesbania Grandiflora 3. Gourd 4. Datura Fastuosa 5. Tube Rose. 1. China-Rose (Hibiscus Rosa-Sinensis) (Fig. 98): Flowers: Solitary, axillary, pedunculate, complete, regular, hermaphrodite, hypogynous. Bracts 5 or more forming a whorl called epicalyx. Calyx: Sepals 5, gamosepalous, tubular. Corolla: Regular, showy, petals 5, slightly united at the [...]