Life Style and Technology

Fruit Classification

By definition, fruit to such edibles as tomatoes, string beans, corn, peas, and mustard, as well as to nuts, scorns, oranges, peaches, and others. Tomatoes, string, beans, and peaches, for examples, are fruits that are eaten whole. Peas, corn, and mustard are the seeds, or fertilized ovules, of fruits. Flour is ground from the fruit of the wheat plant, and coffee is made from the seeds of the coffee fruit, or bean.

Some fruits, called accessory fruits, are partly derived from flower structures other than the ovary. Most accessory fruits, such as bananas, papaya, cucumber, and gooseberries, are fleshy throughout and are thus called false berries. Apples and pears are accessory fruits called pomes; the edible part is the fleshy exterior, and the true fruit form the core.

Lettuce

Lettuce, lactuca sativa, of the family Compositae, is the most popular of all salad crops. It is a cool-season vegetable, growing best at temperatures between 15o and 18o C (59o and 64o F). It will often bolt, or produce seed prematurely, if it is grown in mid summer heat.

Petai of Indonesia