Category: Biology Second Paper Lecture Sheet

Flowers whose petals are arranged circularly on the sepals are called Cyclic flowers. For example, china rose.

There are two types of flowers according to the arrangement of the petals
(i) Cyclic flowers: Flowers whose petals are arranged circularly on the sepals are called Cyclic flowers. For example, Jawa.
(ii) Spiral flowers: Flowers whose petals are spirally arranged on the sepals are called spiral flowers. Such as Shapla, Swarnachapa etc.

Flowers whose petals are spirally arranged on the petals are called perennial flowers. For example, Champaflower.

There are two types of flowers according to the arrangement on the inflorescence
(i) Whorl flowers: Flowers whose petals are arranged in whorls on the petals are called Whorl flowers. For example, china rose.
(ii) Perennial flowers: Flowers whose petals are spirally arranged on the petals are called perennial flowers. For example, Champaflower.

If multiple carpels are connected to each other in a flower, it is called compound gamous flower. For example – Dhutura, Eggplant.

A flower with multiple septa separated from each other is called a open gamous flower. For example, gold printing.

A flower having more than three stamens is called a multigamous flower. For example – China rose.

A flower which has two stamens is called a digamous flower. For example, mustard.

A flower having only one stamen is called a monogamous flower. For example, beans.

(i) Monogamous : A flower having only one stamen is called a monogamous flower. For example, beans.
(ii) Digamous : A flower which has two stamens is called a digamous flower. For example, mustard.
(iii) Trigamous : A flower having three stamens is called a trigamous flower. For example, onions, red leaves etc.
(iv) Polygamous: A flower having more than three stamens is called a multigamous flower. For example – china rose.
(v) Open gamous : A flower with multiple septa separated from each other is called a open gamous flower. For example, gold printing.
(vi) Compound gamous: If multiple carpels are connected to each other in a flower, it is called compound gamous flower. For example – Dhutura, Eggplant.