BPSC021 Module 1 Exam Floral Formula

What are the 5 symbols for floral parts

K = Calyx = Sepals

C = Corolla = Petals

A = Androecium = Stamens

G = Gynoecium/Pistil = Carpels

C5 means

“5 free petals”

C0 means

“petals are missing”

C∞ (infinity) means

“over 20 petals”

Cx means

variable number of petals”

C4[5] means

“corolla usually has 4 petals

and less frequently has 5 petals”

Fusion is indicated by

parentheses ( ) or a circle.

fusion - curved lines drawn above

Fused at the top

of the petals

fusion - curved lines drawn below

Fused at the

bottom of the

petals

fusion - circle

Fused along

entire length of

the petals

Underlining G# indicates the gynoecium is located ____ the sepals

above

A straight line above G# indicates the gynoecium is located ____ the sepals.

below