Common melons are: watermelon, wax gourd, pumpkin, fingered citron, melon, cantaloupe, cucumber, loofah, long melon, pear melon and so on.

1. Watermelon is an annual vine; There are many varieties cultivated in various parts of China, with various forms of exocarp, pulp and seeds, among which Xinjiang, Lanzhou, Gansu, Dezhou, Shandong and Dongtai, Jiangsu are the most famous. Its original species may come from Africa, widely cultivated in tropical to temperate regions of the world, and then introduced into China.

2. Wax gourd, an annual creeping or framed herb of the genus Wax gourd in Cucurbitaceae, is characterized by yellow-brown bristles and villous stems, furrowed stems, stout petioles, coarse bristles and villous hairs, monoecious flowers, long cylindrical or nearly spherical fruits, large, bristles and hoarfrost, and oval seeds.

3. Pumpkin, a species of Cucurbitaceae, is an annual creeping herb, whose stems often take root at nodes, petioles are stout, leaves are broadly ovoid or ovoid, slightly soft in texture, veins are raised, tendrils are slightly stout, monoecious, and fruit stalks are stout, with edges and grooves, which vary from variety to variety.

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5. Melon is also called cantaloupe and cantaloupe. Widely cultivated in all parts of China. It is also widely cultivated in temperate to tropical regions of the world. Because this species has a long history of cultivation, there are many varieties, and the shape, color, size and taste of fruit vary with varieties. It is divided into dozens of strains in horticulture, such as common cantaloupe, cantaloupe and white melon, which belong to different strains.

6. Cucumber, alias: Cucumber, Cucumber, Cucumber, Cucumber, Cucumber, Cucumber, Cucumber, Cucumber and Cucumber. Oblong or cylindrical, yellow-green when ripe, with rough surface and prickly protuberance.

7. Hami melon has different shapes, unique flavor, plump flesh, crisp and refreshing. Hami melon is rich in nutrition, with the highest sugar content of 21%. Hami's melon became a tribute variety in Yongping period of the Eastern Han Dynasty.

8. Luffa, an annual climbing vine of Cucurbitaceae; Stems and branches are rough, ribbed and puberulent. Tendrils slightly stout, pubescent, usually 2-4-pronged. Petiole rough, subglabrous; Leaf blade triangular or suborbicular, usually palmately 5-7-lobed, lobes triangular, dark green above, rough, warty, light green below, pubescent, palmately veined, with white pubescence.

9. Long melon? The plant has vigorous growth, strong branching, green leaves, heart-shaped, dense white fuzz, and mainly lateral vines bear fruit.

1. Pear melons and fruits are usually spherical and pear-shaped, with smooth skin, longitudinal grooves or stripes, no spines, white and yellow flesh and sweet taste. The fruit consists of five carpels, and the seeds are attached to the edge of carpels, belonging to the lateral membrane placenta, and there is a false diaphragm derived from the middle rib in the center of each carpel.