70 ^|

A Handbook of Biology

They are:

C (corolla)

G (Gynoecium)

Br (bracteates)

P (perianth)

G (superior ovary)

(male)

⊕ (actinomorphic)

K (calyx)

A (androecium)

G

_

(inferior ovary)

(female)

(bisexual)

% (zygomorphic)



Fusion is indicated by enclosing the figure within bracket and

adhesion by a line drawn above the symbols of the floral parts.



A floral diagram gives information about the number of parts of a

flower, their arrangement and relation with one another.



Floral formula also shows cohesion and adhesion within parts of

whorls and between whorls.

SØMË ÏMPØRTÅÑT FÅMÏLÏËS

1. FÅBÅÇËÅË



This family was earlier called Papilionoideae, a subfamily of family

Leguminosae. It is distributed all over the world.

Vegetative Characters:

(a)

(b)

(c)

Pisum sativum : (a) Pea plant (b) Flower (c) Floral diagram



Trees, shrubs, herbs; root with root nodules



Stem: erect or climber