The poems that express the maple leaves’ lovesickness are as follows
1. The poems that express the maple leaves’ lovesickness
1. "Sauvignon Blanc·Yizhong Mountain" by Li Yu of the Southern Tang Dynasty: One mountain, two mountains. The mountains are far away, the sky is high, the smoke is cold, and the water is cold. I miss the red maple leaves.
2. "Farewell to Xie Ting" by Xu Hun of the Tang Dynasty: A song of labor explains boating, red leaves, green mountains and rapids.
3. "Mountain Travel" by Du Mu of the Tang Dynasty: Far up the cold mountain, the stone path is slanted, and there are people living deep in the white clouds. Stop and sit in the maple forest at night, the leaves are as red as the flowers in February due to frost.
4. "Sorrows and Hopes in Jiangling" Tang Dynasty Yu Xuanji: Thousands of maple leaves turn into thousands of branches, and the river bridge covers the late evening sail. Remembering you, my heart is like the water of the West River, flowing eastward day and night without rest.
5. "Sauvignon Blanc·Yizhong Mountain" Yan Jidao of the Song Dynasty: Red leaves and yellow flowers are in late autumn, and I miss travelers who have traveled thousands of miles.
2. Maple Leaf
Maple leaf is the leaf of maple tree. It is generally palm-shaped and five-lobed (five-cornered maple). There are also three-cornered maple, seven-cornered maple, nine-cornered maple, and thirteen-cornered maple. Maple leaves are about 13 cm long and slightly wider than an adult palm. The lobes have a few protruding teeth. The base is heart-shaped. The leaf surface is rough. The upper surface is medium green to dark green. The lower leaf veins are hairy. In autumn, it turns yellow to orange or orange. red. But a few areas are dark and dark green.
3. Reasons why maple leaves turn red
The degree of redness of maple leaves is related to factors such as time, drought, pollution, especially lack of nitrogen. The reddening of maple leaves is actually the result of the maple tree's response to stress in nature.
The reddening reaction actually acts as a sunscreen, allowing the maple leaves to stay on the tree longer, allowing the tree to absorb more nutrients. Research has found that nutritional pressure, especially the pressure of nitrogen deficiency, causes maple leaves to turn red earlier and redder.
4. The ornamental value of maple leaves
The ornamental value of maple leaves is very strong. There are four most famous maple viewing spots in China, and they are also known as the four major maple viewing spots in China. They are Xiangshan Mountain in Beijing. , Tianping Mountain in Suzhou, Qixia Mountain in Nanjing, and Yuelu Mountain in Changsha, Hunan.
5. Morphological characteristics of maple leaves
"Compilation of National Chinese Herbal Medicine" Maple leaves are palmately lobed, 13 centimeters long, slightly wider than long, and the three largest lobes have a few protruding lobes. The teeth are heart-shaped at the base, medium green to dark green above, and hairy on the vein axils below, turning yellow to orange or red in autumn. The bark is grey-brown and smooth, with grooves and scales appearing as the tree ages.
The flowers are yellow-green, small, without petals, and hang down from the slender stalk. They bloom with the young leaves in spring and form an open inflorescence. The fruit has parallel wings and is 2.5 cm long. Height 30 meters, wide columnar shape, deciduous leaves. Commonly consumed white sugar, brown sugar and rock sugar are mainly made from sugar cane and beet.
Using tree sap to boil sugar is still new in China. Among the trees in the temperate regions of North America, there is a type of sugar maple tree that can secrete sugar liquid, commonly known as maple tree, among which Canada is the most famous. There are several varieties of sugar maple trees, such as sugar maple, silver sugar maple, and brown sugar maple. The former two species are famous for their sugar production. The wood of the maple tree is used for building materials or equipment materials, musical instrument materials, sculpture materials, etc., and can also be planted for ornamental purposes.