Cucumber, alias Cucumber, Stir Cucumber, Noodles Cucumber, Watermelon. It is a variety of millet belonging to Cucurbitaceae. Native to southern North America. Its botanical characteristics are as follows:

Root system: the root system of zucchini is developed, but shallow, mainly distributed in 15 ~ 20cm soil layer.

Stem: The stem of zucchini is creeping, pentagonal, long and hollow. The main tendrils can reach 3-4 meters, and there are tendrils and lateral branches in the axils of internodes, and the internodes are 10- 14 cm long.

Leaves: Luffa leaves alternate, palmately parted, heart-shaped or pentagonal, green, while buds and leaves are yellow-green. There are white spots on the leaves, hairs on the back of the leaves, and the petiole is 15 ~ 20 cm long.

Flowers: flowers are solitary, monoecious, with yellow corolla, and the first node of female flowers is 5 ~ 7.

Fruit: the main vine bears melons, with 3 ~ 6 melons per plant, most of which reach 10. Young melons are milky white and old melons are golden yellow. The weight of a single melon is 1 ~ 2kg. The fruit is oval, shallow ditch, thick pulp, light yellow or milky white, and the pulp tissue is vermicelli-like.

Seeds: squash seeds are flat and yellow-white, with 1000-grain weight 140 ~ 250g, and the life span of seeds is generally 5 ~ 6 years.