"Sakura" PPT courseware 2

"Sakura" PPT courseware 2

Introduction

Sakura is a plant, Rosaceae, deciduous tree, with purple-brown bark, smooth and shiny, with horizontal stripes. The flowers and leaves are alternate, oval or obovate-elliptical, with awn teeth on the edges, pointed apex and glands, dark green and shiny surface, slightly lighter on the back. The stipules are lanceolate and linear, with serrated edges and fine cracks, and glands at the ends of the cracks. There are three or five flowers on each branch, forming an umbel, with sepals spread horizontally and petals with notches at their tips, white or red. Flowers bloom together with leaves or behind leaves in March. The core is spherical, red at first, then purple-brown, and matures in July.

Kingdom: plant kingdom

Phylum: Angiosperm Phylum

Class: Dicotyledons

Order: Rosales

Family: Rosaceae, Prunus genus (Pakura).

Subfamily: Li Yake

Genus: Prunus

Morphological characteristics

The bark is purple-brown, smooth and shiny, with horizontal stripes. The flowers and leaves are alternate, oval or obovate-elliptical, with awn teeth on the edges, pointed apex and glands, the surface is dark green and shiny, and the back is slightly lighter. The stipules are lanceolate and linear, with serrated edges and fine cracks, and glands at the ends of the cracks. There are three or five flowers on each branch, forming an umbel, with sepals spread horizontally and petals with notches at their tips, white or red. Flowers bloom together with leaves or behind leaves in March.

Sakura - Japan's national flower

Japan designates the cherry blossom as its national flower because it is a symbol of love and hope. Legend has it that a long time ago, there was a fairy named "Konohana Kaiyehime" (meaning cherry blossom) in Japan. In November of one year, the fairy set off from Okinawa, passed through Kyushu, Kansai, Kanto and other places, and arrived in Hokkaido in May of the next year. Along the way, she scattered a flower symbolizing love and hope in every corner. In order to commemorate this fairy, the locals named the flower "Sakura", and Japan became the "Land of Sakura".

medicinal value

[Drug name]: Japanese cherry blossom

[Source]: It is the bark of Japanese cherry blossom, a dicotyledonous plant in the Rosaceae family.

[Efficacy]: Xuanfei and relieves cough.

[Indications]: Used for cough and fever.

【Meridian distribution of nature and flavor】: pungent, flat. Lung meridian.

[Usage and Dosage]: Oral administration: decoction, 3 to 9 grams.

[Distribution of animal and plant resources]: Yunnan, but widely cultivated in Japan.

[Latin name]: Japanese cherry blossom Prunus yedoensis Matsum.

[Research]: First recorded in the "Illustrated Book of Higher Plants of China".

[Chemical Ingredients of Traditional Chinese Medicine]: Bark and wood contain gentisic acid 5-glucoside and 5-rhamnoglucoside (Sakurarin), cherry glycosides, and wood contain d-catechin; stems and leaves contain quercetin 3-and-a-half Lactosin; young leaves contain coumarin, trans-o-hydroxycinnamic acid glucoside, and cyanogenic glycoside; seed kernels contain 32% fatty oil, mainly containing a-eleostearic acid and sitosterol.

Ornamental effect: Sakura flowers are fragrant and gorgeous. They are an important ornamental tree species in early spring. They are often used for garden viewing, planted in groups, and can also be planted on hillsides, courtyards, roadsides, and in front of buildings. In the blooming season, the flowers are in full bloom, the trees are full of flowers, and they look like clouds and clouds, which is extremely spectacular. It can be planted in large areas to create a "sea of ​​flowers" landscape, it can be dotted in clusters in small and large groups on the green space to form a brocade, or it can be planted alone to create a painting of "a little red among the greenery". Cherry blossoms can also be used as path trees, hedges or bonsais.

Skin care effect

Cherry blossoms have the effect of rejuvenating and brightening the skin, so they are often used as raw materials for skin care products. Cherry blossoms usually need to be extracted and refined. The Swiss Legend Group once used the three-high fresh extraction technology to refine the cherry blossoms into cherry blossom pink oil and cherry blossom powder. Tender oil has good affinity with natural oils such as shea butter and jojoba oil, and is often mixed into lipsticks.

Cultivation Techniques

The main methods are sowing, cutting and grafting. To propagate cherry blossoms by sowing, be careful not to dry out the seed embryos. They should be sown as they are picked or sown in the following spring after being layered with wet sand. Grafted propagation can use cherry and mountain cherry seedlings as rootstocks. Cut grafting in late August or bud grafting in late August. After grafting, it can be planted in the nursery after 3 to 4 years of cultivation. When planting, apply 15 to 25 kilograms of decomposed compost per pit and 1 to 2 kilograms of ammonium sulfate per plant in July. After flowering and before sprouting in early spring, dead branches, diseased branches, and leggy branches need to be pruned. Try to avoid pruning thick branches to maintain a perfect crown.

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