Flat branch Quercus

Core tips: Cotoneaster horizontalis Decne. (scientific name: Cotoneaster horizontalis Decne.) is also known as: Flat-branched Quercus, Flooring Centipede, Small-leaved Branch Cottoneaster, Dwarf Red. It is a semi-evergreen creeping shrub, less than 0.5 meters high. The twigs are arranged in two rows, and when they are young, they are covered with rough hairs. The leaves are nearly round or broadly elliptical, sparsely obovate, with an acute tip and a wedge at the base

Cotoneaster horizontaltalis Decne. is also known as: Cotoneasterhorizontalis Decne. It is a semi-evergreen creeping shrub, less than 0.5 meters high. The twigs are arranged in two rows, and when they are young, they are covered with rough hairs. Leaves nearly round or broadly elliptical, sparsely obovate, apex acute, base wedge-shaped, entire, glabrous above, sparsely pubescent below; petioles pubescent; stipules drill-shaped, early falling. flowers 1-2 terminal or axillary, nearly sessile, petals pink, obovate, apex rounded and blunt; stamens about 12; The ovary has pubescence at the top, which is detached. The fruit is nearly spherical, bright red. Flowering period is from May to June, fruiting period is from September to October.

Flat-branched Quercus likes a warm and humid semi-shaded environment, tolerates dry and barren land, does not tolerate dampness and heat, has a certain cold tolerance, and is afraid of waterlogging.

The main ornamental value of Quercus is the autumn leaves in late autumn. In late autumn, the leaves of the flat-branched oak turn red and are particularly gorgeous. Because the flat-branched oak is low and low, it looks like a fireball from a distance, which is very bright. In late autumn every year, photographers in the botanical garden are often attracted by its bright red leaves, which become an accidental discovery and take pictures of it.

The flowers and fruits of the flat-branched oak also have ornamental value. Because its flowers bloom in early summer, its pink flowers bloom silently in the greenery. The pink flowers and green leaves complement each other, which is particularly gorgeous. The fruit of the flat-branched oak is small red ball-shaped, which does not fall all winter, and it is interesting to watch on snowy days. In fact, flat-branched oak is a very good oneGardenPlants, especially in gardens, are accompanied by rockeries, inLawnThe side and the stream are embellished, complementing each other, and the landscape is beautiful. The twigs of flat-branched Quercus are parallel to each other, so the shape of the tree is also very beautiful.

Cotoneaster Latin name: Cotoneasterhorizontalis English name: RockCotoneaster Phylum: Angiosperms Class: Dicotyledonous Plants Subclass: Primitive perianthus Order: Rosaceae Family: Rosaceae Subfamily: Apple Subfamily: Branch of the Apple family Genus: Cotoneasterus Species: Platosperm Species: Platosperm Named and dated: Dcne., 1877.

Flat-branched Quercus (scientific name: Cotoneaster horizontalis Decne.): It is a semi-evergreen creeping shrub, less than 0.5 meters high. The twigs are arranged in two rows, and when they are young, they are covered with rough hairs. Leaves nearly round or broadly elliptical, sparsely obovate, apex acute, base wedge-shaped, entire, glabrous above, sparsely pubescent below; petioles pubescent; stipules drill-shaped, early falling. flowers 1-2 terminal or axillary, nearly sessile, petals pink, obovate, apex rounded and blunt; stamens about 12; The ovary has pubescence at the top, which is detached. The fruit is nearly spherical, bright red. Flowering period is from May to June, fruiting period is from September to October.

Quercus flat-branched is found on hillsides, ridge shrubs or rock crevices above 1,000 meters above sea level. It is distributed in Anhui, Hubei, Hunan, Sichuan, Guizhou, Yunnan, Shaanxi, Gansu and other provinces in China. It is often cultivated in various places. Dense branches and small leaves, bright red fruits, suitable for garden cover and productionBonsaietc.

1. Morphological characteristics of Flat-branched Quercus

Quercus flat-branched is a deciduous or semi-evergreen creeping shrub, no more than 0.5 meters high, and the branches open horizontally into two neat rows; the twigs are cylindrical, covered with rough pubic hairs when young, and fall off when old, black-brown.

Quercus tila flattening leaves nearly round or broadly elliptical, sparsely obovate, 5-14 mm long, 4-9 mm wide, apex mostly acute, base wedge-shaped, entire, glabrous above, sparse flat pubescence below; petioles 1-3 mm long, pubescent; stipules drill-shaped, early falling.

1-2 flat-branched oak flowers, nearly sessile, 5-7 mm in diameter; calyx tube bell-shaped, sparse pubescence on the outside, glabrous on the inside; sepals triangular, apex sharp, slightly pubescent on the outside, pubescence on the inner edge; petals erect, obovate, apex rounded and blunt, about 4 mm long, 3 mm wide, pink; stamens about 12, shorter than petals; style often 3, sometimes 2, discrete, shorter than stamens; The ovary is pubescent at the top.

The fruit of Quercus flattening is nearly spherical, 4-6 mm in diameter, bright red, often with 3 micronuclei, sparse 2 micronuclei.

The flowering period of Quercus flat-branched is from May to June, and the fruiting period is from September to October.

2. The growth habit of flat-branched Quercus

Flat-branched Quercus likes a warm and humid semi-shaded environment, tolerates dry and barren land, does not tolerate dampness and heat, has a certain cold tolerance, and is afraid of waterlogging.

3. The distribution range of Flat-branched Quercus

Quercus pingzhi is distributed in Shaanxi, Gansu, Hubei, Hunan, Sichuan, Guizhou and Yunnan in China. It grows in thickets or on rocky slopes at an altitude of 2000-3500 meters. It is also distributed in Nepal.

4. Propagation method of flat-branched Quercus

The propagation of flat-branched Quercus is commonly propagated by cuttings and seeds. Cuttings can be done in spring and summer, and the survival rate of young branch cuttings in summer is high.

1. Sowing: seeds are sown in autumn or wet sand storage is sown in spring. Fresh seeds can be sown immediately after harvest, and dry storage seeds should be sown in early spring from January to February. Transplanting should be carried out in early spring, and large seedlings need to be brought with soil balls.

2. Cuttings: pre-made into a cutting bed with a width of 2.0m, a length of 10m and a height of 40cm, the bottom of the inserting bed is laid with a layer of 20cm thick sweet potato stone, and the upper layer is laid with a layer of 20cm thick fresh river sand or vermiculite and perlite as the cutting substrate, and 0.3% carbendazem solution or 0.3% potassium permanganate solution is used for substrate disinfection. Then buckle the arched shed, cover it with plastic film, and establish a shade net. Watering keeps the cutting substrate moist.

From mid-June to early July, select the leafy shoots with semi-lignification, strong growth, no diseases and pests, and full axillary buds, and cut them into 10-15cm cuttings. When cutting cuttings, the lower cut is 0.5-1cm at the lower end of the leaf or axillary bud, and the upper cut is 0.5-1cm at the upper end of the leaf or axillary bud, and the top bud can also be retained, and the upper part of each cutting is 2-3 leaves, the upper cut is flat, the lower cut is horse's ear shaped, the cut is smooth and does not crack, and the skin is not torn. Put it in 0.3% carbendazim solution for disinfection in time. To prevent wilting of young shoots, it is best to collect cuttings in the morning or on rainy days and cut them as they are picked.

Before cutting, in a place where there is no sunlight at room temperature, the lower part of the cutting is 2cm in 0.1% ABT1 solution for quick dipping, in order to prevent injury to the base of the cutting, use a wooden stake slightly thicker than the cutting to make a jack, the plant spacing is 5-10cm, the depth of the cutting is 8-10cm, and the cuttings are pressed by hand.

The callus production rate was 99% and 84% on the 30th day, with an average of 5-7 roots per plant and an average root length of 8.5cm.

5. Cultivation technology of flat-branched Quercus

1. Management: The temperature in the shed should be kept at about 28 °C, the humidity should be kept above 90%, and water should be sprayed once a day from 8:00 to 9:00 and 16:00 to 17:00, but the soil should not be over-wet, so as to keep the leaves moist. In order to prevent bacterial infection, spray 0.2% carbendazim solution once on the 7th day after insertion for comprehensive disinfection. Start refining seedlings after 40 days, and transplant seedlings after 5-6 days.

2. Humidity: It likes a humid or semi-dry climate environment, requiring the relative temperature of the air in the growth environment to be 50-70%, and when the relative humidity of the air is too low, the lower leaves will yellow and fall off, and the upper leaves will be dull.

3. Temperature: Because Quercus is native to subtropical regions, it has strict requirements for temperature in winter, and stops growing when the ambient temperature is below 8°C.

4. Lighting: strong adaptability to light. When placed indoors for maintenance, try to put it in a place with bright light, and after a period of indoor maintenance (about a month), it should be moved to a place with shade (warm insulation conditions in winter) for a period of time (about a month), and so on.

5. Fertilizer and water: For potted plants, in addition to adding organic fertilizer when potting, appropriate fertilizer and water management should also be carried out in the usual maintenance process. In the dormant period in winter, it is mainly to do a good job in fertilizer control and water control, with an interval of about 3-7 days, a shorter interval during sunny days or high temperatures, and a longer interval period or no watering during rainy days or low temperatures. For plants planted in the ground, fertilizer and water should be applied 2-4 times in spring and summer according to the drought conditions: first open a small furrow 30-100 cm beyond the root neck (the larger the plant, the farther it is from the root neck), and the width and depth of the groove are 20 cm. Sprinkle 25-50 pounds of organic fertilizer or 1-5 granules of compound fertilizer (chemical fertilizer) into the ditch, and then pour permeable water. After winter and before spring, fertilize again according to the above method, but do not need to water.

6. Pruning: In winter, when the plant enters a dormant or semi-dormant period, cut off the branches such as thinness, pests, death, and overdensse. It can also be combined with cuttings to sort out the branches.

7. Repotting: As long as it is properly maintained, it will grow quickly, and when it grows to a certain size, it is necessary to consider changing it to a larger pot to let it continue to grow vigorously. The ratio of potting soil and components for repotting can be selected as follows: vegetable garden soil: slag = 3:1; or garden soil: medium coarse river sand: sawdust (slag) = 4:1:2; Or one of the following soils: paddy soil, pond mud, and leaf rot soil.

Put the flowers to be repotted on the ground, first pat the surroundings of the pot with your palm, so that the root system is shaken and separated from the pot wallFlower potsPlace it upside down on your left hand, gently clamp the plant with the index and middle fingers of your left hand, hold the edge of the pot with your wrist and fingertips, pat the bottom of the pot with your right hand, and then use your thumb to push the root soil down from the bottom hole to let the plant come out. After it is removed, gently pat the potting soil with both palms to let the excess soil come off.

Choose an appropriately sized flower pot, and cover the bottom hole of the pot with two tiles or thin foam sheets, which not only ensures that the potting soil is not washed out by water, but also allows excess water to flow out in time. A layer of ceramics or broken red bricks is placed on top of the tiles or foam as a water filter layer, about 2-3 cm thick. There is a fertilizer machine fertilizer on the drainage layer, about 1-3 cm thick, and a thin layer of substrate on the fertilizer, about 2 cm thick, to separate the root system from the fertilizer, and finally put the plant in it, fill it with nutrient soil, and leave about 2-3 cm from the mouth of the pot.

6. The main uses of flat branch oak

1. Medicinal uses: root (water lotus sand root), whole grass (water lotus sand): sour, astringent, cool. Clears heat and dampness, stops bleeding and relieves pain. It is used for diarrhea, abdominal pain, vomiting blood, dysmenorrhea, and diarrhea.

2. Garden ornamentation: Flat branches and leaves are spread horizontally, the leaves are small and dense, the flowers are densely branched, the leaves are red in late autumn, and the red fruits are lush, which is an excellent material for arranging rock gardens, courtyards, green spaces, wall edges, corners. In addition, it can be used as ground cover and bonsai, and fruit branches can also be used for flower arrangements, and can be used in gardens to arrange rock gardens and slopes. It can also be used as a base planting or making bonsai.

The main ornamental value of Quercus is the autumn leaves in late autumn. In late autumn, the leaves of the flat-branched oak turn red and are particularly gorgeous. Because the flat-branched oak is low and low, it looks like a fireball from a distance, which is very bright. In late autumn every year, photographers in the botanical garden are often attracted by its bright red leaves, which become an accidental discovery and take pictures of it. The flowers and fruits of the flat-branched oak also have ornamental value. Because its flowers bloom in early summer, its pink flowers bloom silently in the greenery. The pink flowers and green leaves complement each other, which is particularly gorgeous. The fruit of the flat-branched oak is small red ball-shaped, which does not fall all winter, and it is interesting to watch on snowy days. In fact, flat-branched oak is a good garden plant, especially in the garden, accompanied by rockeries and stacked stones, embellished by the lawn and by the stream, reflecting each other, and the landscape is beautiful. The twigs of flat-branched Quercus are parallel to each other, so the shape of the tree is also very beautiful.

7. Related varieties of flat-branched oak

1. CotoneasterhorizontalisDecne.var.perpusillus C.K.Schneid.

2. Cotoneasterhorizontalis Decne.var.horizontalis.

8. Oak genus

Sharp-leaved Quoc, Gray Quoc, Creeping Quoc, Tibetan Quoc, Chuankang Quoc, Fine-tipped Quoc, Bubble leaf Quoc, Boxwood leaves, Zhenkang Quoc, Thick-leaved Quoccus, Dwarf Quoc, Wood broom Quercus, Scattered Quoc, Enshi Quoc, Ma Kernel Quoc, Southwest Quoc, cold-hardy Quoc, Light-leaved Quoc, Pink leaved Quoc, Bulbous Quoc, Fine and weak Quoc, Mengzi Quanzi, Danba Quoc, Blunt-leaved Quoc, Flat-branched Quoc, Quanyuan Quanyuan, Zhongdian Quoc, Black Fruit Quoc, Small-leaved Quoccus, Mongolian Quoc, Taiwan Quoc, Baoxing Quoc, Water Quoc, Glossy Quoccus, Bright Leaf Quoc, Two Rows of Quoc, Dark Red Quoc, February, Felted Quoc, Reticulated Quoc, Hemp Leaf Quoc, Round Leaf Quercus, Red Flower Quercus, Willow Leaf Quercus, Blood Colored Quercus, Shandong Quercus, Kangba Quercus, Central China Quoccus, Junggar Quercus, Alpine Quercus, Hairy Water Quercus, Tibetan Southern Quercus, Twig Quercus, Gyrofruit Quercus

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