Question

What are the similarities and differences between: onion and coriander?

Answer 1

Onion and garlic belong to family Allium cepa. Allium cepa belongs to family Liliaceae. The lily family is a characteristic representative of monocotyledonous plants. They are widely distributed worldwide.

Complete answer:

The flowers in onion are bisexual, actinomorphic. The leaves are mostly basal, alternate, linear with parallel venation. They are perennial herbs with underground bulbs, corms and rhizomes. They have tricarpellary, syncarpous and superior ovary. They have axile placentation. Members of this Apiaceae include coriander. They are annual herbs.

Now let us see difference between them

Onion	Coriander
These are kind of monocot plants	These are kind of dicot plants
This is a kind of vegetable	This is a kind of herb
The edible part in onion is bulb	The edible part of coriander is leaf and stem
They belong to family Allium cepa	They belong to family Apiaceae
Onion develops as tuber under soil	It develops above the soil as leaf’s.

Now let us see similarities between them:

1. They both are kind of annual plants.

2. They both are used in cooking.

3. They can change the smell or odour of the food.

Note: Coriander is classified as a kind of annual herb. It is widely used for cooking purposes and used to add a good fragrance to the food. Unlike onion it cannot change the taste of the food. The fruits and the leaves of coriander are also used as a medicinal purpose.