What is the difference between conkers and chestnuts?

Conkers and chestnuts are both nuts, but they come from different trees and have different appearances and uses. Here are the key differences:

Conkers:

- Scientific Name: _Aesculus hippocastanum_

- Tree: Conker trees (horse chestnut trees) are deciduous trees that can grow up to 30 meters (100 feet) tall.

- Nut: Conkers are large, round, and brown with a shiny surface. They are enclosed in a spiky, green husk that opens when the nut is ripe.

- Edibility: Conkers are not considered edible for humans due to the presence of a bitter, toxic substance called aesculin. However, they can be used as a food source for animals, particularly horses and deer.

- Uses: Conkers are primarily used for playing a traditional British game called "conkers," in which players use the nuts as projectiles to break each other's nuts.

Chestnuts:

- Scientific Name: _Castanea sativa_ or _Castanea dentata_ (American chestnut)

- Tree: Chestnut trees are deciduous trees that can grow up to 25 meters (80 feet) tall.

- Nut: Chestnuts are smaller than conkers, oblong in shape, and have a dark brown, glossy skin. They are partially covered by a spiky, green husk that splits into four sections when ripe.

- Edibility: Chestnuts are edible and considered a delicacy. They can be roasted, boiled, or ground into flour for use in various culinary preparations.

- Uses: Chestnuts are commonly used in cooking and baking, particularly during the holiday season. They are also prized for their nutritional value, containing carbohydrates, fiber, vitamins, and minerals.