1, banana

Banana, also known as its fruit, is widely cultivated in tropical areas. Bananas are fragrant and nutritious, and the plants are large herbs, which emanate from rhizomes and form false stems with a height of 3-6 meters (10-20 feet) from the lower part of leaf sheaths. The leaves are oblong to oval, some of which are 3 ~ 3.5 meters long (10 ~1.5 feet) and 65 cm (26 inches) wide,10 ~ 20 clustered stems.

2. Pineapple

Leaves are numerous, arranged in rosettes, sword-shaped, tapering at the top, whole or with sharp teeth, green on the ventral surface, green on the back flour, with brownish red edges and tips. Leaves born at the top of inflorescence become smaller and often red. Inflorescence is pulled out from the leaves, like a pine ball; Bracts are green at the base, reddish in the upper part and triangular-ovate; Sepals are broadly ovoid, fleshy and reddish at the top; Petals are oval, pointed, purplish red in the upper part and white in the lower part.

3. Canna

Perennial herb, up to 1.5 meters high, the whole plant is green and hairless, covered with waxy white powder. With massive rhizomes. The ground is overgrown with branches. Simple leaves alternate; Sheathed petiole; Leaf blade ovoid-oblong. Racemes, flowers solitary or opposite; Sepals 3, green and white, with reddish apex; Corolla is mostly red, with 2-3 outer staminodes, bright red; Lip is lanceolate and curved; Capsule, oval, green, flowering and fruiting in March-1February.

4. Magnolia grandiflora

Magnolia is another name for Magnolia and Magnolia in Angiosperma, Dicotyledonous, Magnoliaceae.

Magnolia is a famous ornamental tree species in China, with a cultivation history of more than 2,500 years. It is native to Jiangsu, Anhui, Zhejiang, Hunan, Hubei, Guizhou, Guangdong, Shanxi and other regions, and is also widely cultivated in Beijing and the south. The height of the tree can reach 25m, and the diameter can reach 200cm. The crown of the tree is narrow oval when it is young, but the mature tree is wide oval or loose and wide oval.

5. Narcissus

Also known as Chinese narcissus, it is a variety of Daffodil. It is a perennial herb of Amaryllidaceae. Narcissus leaves are extracted from the green and white tubular sheath at the top of the bulb, and then from the leaves.

Generally, each bulb can shoot 1-2 branches, and most of them can reach 8- 1 1 branch, and it is a umbel. There are 6 petals, and the petals are yellow at the end. There is a bowl-like protective cover outside the stamen. Bulbs are ovoid to broadly ovoid, and are covered with a brown membrane. The leaves are long and narrow, and the capsule is dehiscent at the back. Flowering in spring.

Dicotyledonous plants:

1 Apple

It is a kind of fruit, belonging to Malus of Rosaceae, and its trees are deciduous trees. Apple has high nutritional value, rich in minerals and vitamins, and 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 one of the fruits that people often eat.

2. Pears

Pear, usually a deciduous tree or shrub, with a few evergreen varieties, belongs to Rosaceae, Apple subfamily, a dicotyledonous plant class of 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 has a round shape, and some have a thin base and a thick tail, which is commonly known as "pear shape"; The pericarp colors of different varieties are quite different, including yellow, green, yellow with green, yellow with yellow in green, yellow-brown, green-brown, reddish-brown, brown, and some varieties are purplish red; The fruit diameter of wild pears is small, ranging from 1 to 4 cm, while the fruit diameter of artificially cultivated varieties can reach 8 cm and the length can reach 18 cm.

3. Chrysanthemum

Chrysanthemum is a perennial herb of Compositae and Chrysanthemum in plant taxonomy. According to the cultivation form, it can be divided into many cultivation types, such as multi-headed chrysanthemum, single chrysanthemum, dahlia, cliff chrysanthemum, artistic chrysanthemum and desk chrysanthemum. According to the appearance of petals, it can be divided into garden hug, retreat hug, reverse hug, disorderly hug, open heart hug, flying hug and other cultivation types. Chrysanthemums in different types are named by various varieties.

4. Cotton

Cotton, the seed fiber of Malvaceae, is native to subtropical zone. The plant is shrub-like, which can grow to 6 meters high in tropical areas, usually 1 to 2 meters.

5. Sunflowers

It belongs to the sunflower family and is an annual herb with a height of1~ 3.5 meters. The stems are erect, round and angular, hard and covered with white coarse bristles. Leaf blade with broadly ovate shape is usually alternate, the apex is acute or acuminate, with 3 veins at the base, the margin is coarsely serrated, both surfaces are rough, hairy and long-stalked. Head inflorescence, diameter10 ~ 30 cm, solitary at the top of stem or branch.