A typical angiospermic flower consists of four floral parts. Give the names of the floral parts and their arrangement sequentially.
(i) Sepals It is the green leaf like outermost whorl (calyx).
(ii) Petals It is the second whorl (corolla) from below often brightly coloured floral parts.
(iii) Stamens Third whorl (androecium) of knobbed thread-like male reproductive floral parts.
(iv) Carpels Central single whorl (gynoecium) of female reproductive floral parts.