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Cyclobalanopsis glauca, whose real name is Cyclobalanopsis glauca, has other aliases: Quercus purpurea, Castanopsis fargesii, Elaeagnus tenuifolia, Quercus acutissima and Castanopsis fissa. Latin name Cyclobalanopsis? Gray, green and blue. )? Oster. ? Evergreen trees of FAGACEAE. As an important part of evergreen broad-leaved forest, it is barren-tolerant and likes calcium. Wood has excellent properties and is an important material for making wooden shuttles in textile industry.

Chinese name? Cyclobalanopsis? Latin scientific name? Cyclobalanopsis? Gray, green and blue. )? Oster. ? Nickname? Mahogany, Castanopsis kawakamii, flowering tree, paulownia tenuifolia, Quercus acutissima, Castanopsis kawakamii. ? Border? Plant kingdom? Angiosperma? Dicotyledonous plants? Beech order? Family and family? Is it Cyclobalanopsis? Cyclobalanopsis plant? Distribution area? Subtropical tree species are most widely distributed in China, and also distributed in Korean, Japanese and Indian countries. ? Sea area? Slope or valley of 60-2600 meters [1]?

catalogue

1? brief introduction

2? morphological character

complete

leaf

flower

fruit

Flower and fruit period

3? Distribution of origin

4? Growth habit

5? cultivation techniques

6? Main value

Horticultural value

Life application

economic value

7? plant culture

8? The largest Cyclobalanopsis glauca discovered so far.

Introduction editing

oriental white oak

Cyclobalanopsis glauca (2 tablets)

Evergreen trees, 22 meters high, DBH 1 meter. The bark is smooth and does not crack; Branchlets are blue-brown, angular, hairy when young, and then fall off. [2]?

Leaves oblong or obovate oblong, 6- 13cm long, tapering at the apex, broadly cuneate at the base, with comb teeth at the upper edge, plump middle and lower part, gray-green back with creeping hairs, 8- 12 pairs of lateral veins, petiole 1-2.5cm, and total bracts living alone for 2-3 times. Nuts ovoid or subglobose, glabrous. Flowering in April-May; /kloc-The fruit ripens in October. [ 1]? Because its leaves change color with the weather, it is called "weather tree".

Cyclobalanopsis oak is an evergreen tree of FAGACEAE. Yellow-green flowers bloom in May, and the flowers are monoecious, and the male flowers have catkin inflorescences, which are slender and drooping. Nuts are oval or ovoid, born in cup-shaped shells and mature in 10. Young trees are slightly shade-tolerant, while big trees like light, which is a neutral light-loving tree species. Strong adaptability and loose requirements for soil. Growth was slow in the early stage and accelerated after 5 years. Strong germination ability, pruning resistance, deep root system, wind and fire prevention.

Morphological feature editing

complete

Evergreen trees, up to 20 meters high, DBH can reach 1 meter. Branchlets glabrous. [ 1]?

leaf

The leaves are leathery, obovate, oval or oblong, 6-13cm long and 2-5.5cm wide, with tapering or short tail at the top and rounded or wide wedge at the base. There are sparse serrations above the middle of the leaf margin, and 9- 13 lateral veins on both sides. The branches on the back of leaves are obvious, the leaves are hairless, and there are neat and flat white hairs on the back of leaves, which grow gradually with age. Petiole length 1-3 cm. [ 1]?

flower

The male inflorescence is 5-6 cm long, and the inflorescence axis is covered with light fluff. Infructescence is1.5-3cm long, and there are 2-3 hanging fruits. The shell bucket is bowl-shaped, covered with nuts 1/3- 1/2, with a diameter of 0.9-1.4cm, a height of 0.6-0.8cm and a thin coat. Bracteoles are clustered into 5-6 concentric bands, which are entire or have fine notches and are closely arranged. [ 1]?

fruit

Nuts are oval, oblong or ovoid, with a diameter of 0.9-1.4cm, a height of1-1.6cm, hairless or fine, and the fruit umbilicus is flat or slightly convex. [ 1]?

Flower and fruit period

The flowering period is from April to May, and the fruiting period is 65438+1October. [ 1]?

Origin distribution editing

Shaanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan Province, Henan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, Tibet and other provinces. This species is one of the most widely distributed tree species in China. South Korea, Japan and India are also distributed. [ 1]?

It is a subtropical tree species, and part of it is distributed in warm temperate zone. It is one of the most widely distributed evergreen broad-leaved trees in China. South Korea, Japan and India are also distributed.

This species has great variation and many types, and there are several species names. Because there is no type specimen, it will not be discussed for the time being. [ 1]?

Growth habit editor

oriental white oak

Cyclobalanopsis glauca (7 tablets)

Born at an altitude of 60-2? 600? The slopes or valleys of meters form evergreen broad-leaved forests or deciduous broad-leaved evergreen broad-leaved mixed forests. [ 1]?

Cyclobalanopsis glauca is a subtropical tree species. Because the ratio of chlorophyll to anthocyanin in leaves changes, it is sensitive to climatic conditions. After a long drought, just before the rain, chlorophyll synthesis was blocked in hot and muggy days, which made anthocyanins dominant in leaves and the leaves gradually turned red. People in some places know from their usual observation of the green bar trees that when the leaves turn red, it will rain heavily in this area in a day or two. After the rain, the leaves are dark green. According to this information, farmers predict the weather and arrange farm work.

Young people have a slight resistance to side shading. I like to grow on slightly alkaline or neutral limestone soil and grow well on acidic soil. The root is deep and the main root system is drought-resistant and can grow in rocky mountainous areas. Strong germination, germination can be used for renewal.

Cultivation technology editor

oriental white oak

Cyclobalanopsis glauca (2 tablets)

Wide strip sowing method, strip width 10- 15 cm, strip spacing 30 cm and ditch depth 10 cm. Apply sufficient base fertilizer in the ditch, fill in some fine soil, and then insert seeds. The seedlings of Taxodium ascendens are weak, so the covering soil should not be too thick, and it is suitable to be about 2 cm. Immediately cover the soil with a layer of straw or plastic film to keep moisture and prevent the soil from hardening. Sow 30-50 seeds per rice furrow, per hectare 120- 150 kg, which is equivalent to 300-350 kg of seeds with shells. [ 1]?

Potted plants usually choose 2-year-old open-field seedlings, which are stubbled and cut after defoliation. Touching people with clay balls before germination in spring? The pots (clay pots, plastic pots, porcelain pots) with Cm diameter are filled with soil containing 30% base fertilizer, with a ratio of 40 ~ 50? The plant spacing of cm is arranged in the planting bed, surrounded by sand, and the basin soil is fixed by irrigation.

After the new branches are lignified, they are pruned into small trees or multi-branch shrubs according to the growth of branches and the needs of potted flower modeling. Topdressing 1% ~ 2% potassium dihydrogen phosphate from May to June promotes growth. Watering should follow the principle of "seeing wet". Flowering began in mid-June. Potted plants should choose varieties that the masses like. [2]?

Late September of 10 to early October of 10 (during National Day and Mid-Autumn Festival) is the peak season and climax of sales. But the potted plants under normal management and cultivation are all in late September. In order to make it blossom before and after the "Eleventh", in early August, the new shoots of potted plants were cut short and all branches were cut off, and the management of fertilizer and water was strengthened. In the rainy season of summer and autumn, potted plants should be protected from rain with plastic greenhouses, and covered with heat preservation if necessary. After about 1 month, new branches formed buds again, which met the market demand around Mid-Autumn Festival and National Day. [3]?

Principal value editor

Wood is tough and can be used for piles, cars, boats, tool handles, etc. The seed contains 60-70% starch, which can be used as feed and wine making, the bark contains tannin 16%, and the shell bucket contains tannin 10%- 15%, which can be used as tannin extract. [ 1]?

Horticultural value

Ornamental garden trees can be mixed with other trees to form forests, and can also be used as boundary trees and background trees. It can also be used as tree species for greening surrounding areas, factory greening, fire forest, windbreak forest, hedge, green and strong.

Life application

The wood is hard and tree species are used. Cyclobalanopsis wood is grayish yellow or yellowish brown with fine structure and solid wood, which can be used as materials for cars, boats, pulleys and sports equipment. Seeds contain starch, which can be used to make wine, cakes and tofu; Tannin can also be extracted from shell bucket and bark.

economic value

Cyclobalanopsis white charcoal

gingkgo

gingkgo

Cyclobalanopsis oak charcoal is a dark brown or black porous solid fuel left after incomplete combustion of wood or wood raw materials or pyrolysis under the condition of air isolation. It is impure amorphous carbon that keeps the original structure of wood and the residual tar in the pores. Charcoal was used in bronze wares of Shang Dynasty and ironware smelting in Spring and Autumn Period and Warring States Period in China, and its hygroscopicity was used to observe climate change. [2]?

Besides being used as civil fuel, it is also used as fuel for metal smelting, food and light industry, reducing agent for electric furnace smelting, and covering agent for protecting metal from oxidation during metal refining. Carbon disulfide and activated carbon are often used as raw materials in chemical industry. In addition, it is also used in grinding, painting, cosmetics, medicine, gunpowder, carburizing, powder alloy and so on. It can also be used to fire carbon steel. At the same time, it is also the best wood for making furniture. [3]?

Plant culture editor

There is a "meteorological tree" that can "predict" the drought and flood situation in Anhui Province and the county.

oriental white oak

oriental white oak

This tree is more than 10 meters high. Its trunk can only be surrounded by three children holding hands, and its crown covers more than 100 square meters of ground. It is said that this tree has [1]?

After growing for more than 400 years. After years of observation, it has been found that according to the time of germination and the density of leaves, we can know whether it was a drought or a flood. [ 1]?

For example, trees germinate in front of Grain Rain, and the buds are leafy, so there is more rain this year; Sprouting on time, sparse and dense leaves, the weather is generally good this year; Grain Rain will germinate later, with few and thin leaves, so it will be dry this year. 1934, this tree sprouted after Grain Rain, and there was a severe drought that year. [2]?

1954 This tree germinates early and its leaves are flourishing. That year, there was a flood in the local area. Some locals regard this tree as a "sacred tree". Why can this tree predict the drought and flood of that year? Although after investigation, we haven't found a really convincing reason.