Usually, this species is deciduous trees or shrubs, and a few species are evergreen, belonging to the dicotyledonous class of Rosaceae, Applesubfamily and Angiosperms. The leaves are mostly oval, and the size varies with different varieties. Flowers are white, or slightly yellow and pink, with five petals. The fruit is round, but also has a thin base and a thick tail, commonly known as "pear-shaped".

The peel color of different varieties is quite different, including yellow, green, yellow with green, yellow with yellow, yellow-brown, green-brown, reddish brown and brown, and some varieties are purplish red; The diameter of wild pear fruit is relatively small, ranging from 1 ~ 4cm, while the diameter and length of cultivated pear fruit can reach 8 cm and 18 cm.

2.watermelon

Annual vines; Stems and branches are stout with obvious edges. Tendrils stout, pubescent, petiole thick and densely pilose; The leaf blade is papery, triangular, oval in outline, white and green in color, with short bristles on both sides and heart-shaped at the base of the leaf blade. Monoecious.

Both male and female flowers are solitary in leaf axils. Male pedicels 3-4 cm long, densely yellow-brown villous; Calyx tube wide bell-shaped; Corolla yellowish; Stamens nearly free, filaments short, anthers folded. Female flowers: calyx and corolla are the same as male flowers; Ovary ovoid, stigma kidney-shaped.

The fruit is large, nearly spherical or oval, fleshy, juicy, with smooth skin and various colors and patterns. Seeds are mostly oval, black and red, with smooth sides, obtuse base, usually slightly arched edges, and in summer.

3. Apple

It belongs to Malus of Rosaceae, and its trees are deciduous trees. Apple has high nutritional value, rich in minerals and vitamins, and also rich in calcium, which helps to metabolize excess salt in the body. Malic acid can metabolize calories and prevent obesity in the lower body.

Apple is a low-calorie food, which produces about 60 kilocalories per100g. Apple is known as "living water" because of its high solubility and easy absorption by human body. It is beneficial to dissolve sulfur and make skin smooth and tender.

4.bananas

Banana, also known as its fruit, is widely planted in the tropics. Bananas are delicious and nutritious. The plant is a large herb, which emanates from the rhizome and forms a pseudostem with a height of 3 ~ 6 meters (10 ~ 20 feet) from the lower part of the leaf sheath. The leaves are oblong to oval, and some of them are 3 ~ 3.5 meters long (10 ~1.5 feet) and 65 centimeters wide (26 inches), 10 ~ 20 cluster tops.

Spine drooping? , extracted from the top of the pseudostem, with many flowers and light yellow; The fruiting sequence is out of order, and the result is 10 ~ 20 strings, about 50 ~ 150. Plants die after fruiting, and the sucking roots growing on the rhizomes continue to reproduce, and each plant can survive for many years. Native to Southeast Asia, it is cultivated in Taiwan Province, Hainan, Guangdong and Guangxi.

5.pitaya

It is a cultivated variety of cactus family and belongs to measuring ruler. It climbs up the juicy bush and has air roots. Many branches, extension, often winged leaves, wavy or crenate edges, dark green to light blue-green, bony; Flowers are funnel-shaped and open at night.

Scales are ovate-lanceolate to lanceolate, calyx-shaped perianth is yellow-green, linear to linear-lanceolate, petaloid perianth is white, oblong-oblanceolate, filaments are yellow-white, styles are yellow-white, berries are red, oblong, fruit umbilicus is small, and pulp is white-red. The seeds are obovate and black, and the hilum is small. Flowering and fruiting in July-65438+February.

Baidu encyclopedia-pear

Baidu encyclopedia-watermelon

Baidu Encyclopedia-Apple

Baidu encyclopedia-banana

Baidu encyclopedia-pitaya