Cucumber (scientific name: CucumissativusL) is an annual creeping or climbing herb of Cucurbitaceae. Stems and branches are elongated, furrowed, and are white and coarse. Tendrils are thin. Petiole slightly rough, with coarse hairs; Leaf blade broadly ovate-cordate, membranous, lobes triangular, dentate. Monoecious. Male flowers: constant flowers clustered in leaf axils; Pedicel slender, puberulent;

Corolla yellow-white, corolla lobes oblong-lanceolate. Female flowers: solitary or sparsely clustered; Pedicel stout, pilose; The ovary is rough. The fruit is oblong or cylindrical, yellow-green when ripe, and the surface is rough. The seeds are small, narrowly ovate, white, borderless, and both ends are nearly acute. Flower and fruit period in summer.

2. Pepper

Pepper, alias: Horn Pepper, Long Pepper, Vegetable Pepper, Lantern Pepper, Latin name: CapsicumannuumL., is an annual or limited perennial herb of Magnoliaceae and Capsicum. Stems subglabrous or puberulent, branches slightly zigzag. Leaves alternate, the nodes at the top of branches are not elongated to form twins or clusters, and they are oblong, oval or ovate-lanceolate.

Entire, short acuminate or acute at the top, narrowly cuneate at the base; Flowers solitary, drooping; Calyx cup-shaped, inconspicuously 5-toothed; Corolla white, lobes ovate; Anthers are grayish purple. The fruit stalk is thick and drooping; The fruit has long fingers, the top of which is gradually pointed and often curved. It is green when it is immature, and turns red, orange or purplish red when it is ripe, which is spicy. Seeds flat kidney-shaped, pale yellow.

3. Bitter gourd

Bitter gourd (scientific name: Momordicacharantia? L.) Bitter gourd (Cucurbitaceae) is an annual climbing tender herb with many branches; Stems and branches are pilose. Tendrils are slender and undivided. Petiole slender; Leaf blade membranous, green on top, pale green on back, palmately veined. Monoecious. Male pedicels slender, puberulent; Bracts green, slightly ciliate;

Calyx lobes ovate-lanceolate, white pilose; Corolla yellow, lobes pilose; Stamens free. Female flowers solitary, pedicels puberulent; The ovary is spindle-shaped and the stigma is enlarged. The fruit is spindle-shaped or cylindrical, wrinkled and orange-yellow when ripe. The seeds are oblong and engraved on both sides. Flowering and fruiting period may 5- 10/0 month.

4. Tomatoes

Tomato (scientific name: Solanumlycopersicum), that is, tomato, is an annual or perennial herb of the genus Solanaceae and Lycopersicon. It is 0.6-2 meters tall, with sticky glandular hairs, strong smell, prone to lodging, pinnately compound leaves or pinnately parted leaves, and the total peduncle of inflorescence is 2-5 cm long, often with 3-7 flowers.

Berries are oblate or subglobose, fleshy and juicy, with yellow seeds, and they are in summer and autumn. Tomatoes are native to South America and widely cultivated in the north and south of China. The fruit of tomato is rich in nutrition and has special flavor. Can be eaten raw, cooked, processed tomato sauce, juice or whole fruit can.