Some important parts of plants

Leaf:

leaf is a organ of a vascular plant and is the principal lateral appendage of the stem, usually borne above ground and specialized for photosynthesis. 

Inflorescense :

An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. 

Flower :

flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. The biological function of a flower is to affect reproduction, usually by providing a mechanism for the union of sperm with eggs.

Petal:

Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called corolla.

Calyx:

A sepal is a part of the flower of angiosperms. Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom. The term sepalum was coined by Noël Martin Joseph de Necker in 1790, and derived from the Greek σκέπη, a covering

Seed:

seed is an embryonic plant enclosed in a protective outer covering. The formation of the seed is part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm plants. 

Pod:

a long, narrow, flat part of some plants, such as beans and peas, that contains the seeds 

Androcieum  :

The third whorl, called the androecium, is made up of male reproductive units called stamens. They produce sperm cells packaged inside pollen grains

Gynocieum:

A gynoecium (from Ancient Greek gyne, "woman") is the female reproductive parts of a flower. ) is the female reproductive parts of a flower.