Pinus thunbergii, alias Pinus bungeana, is an evergreen tree with a height of 3 meters and a grayish black bark. It blooms in April, with a single flower. The female flower is born at the top of the new bud and is purple. Most kinds of scales (carpels) are arranged in a spherical shape. When mature, most pollen floats out with the wind. The cone is formed in the autumn of the following year, and the scales are split and the seeds are scattered, and the seeds have thin wings. The umbilicus of the fruit scale has short spines. Native to Japan and the south coast of Korea.

Extension of knowledge points:

Black pine is fond of light, resistant to drought, barren, waterlogging and cold. It is suitable for growing in warm and humid maritime climate area, and it is most suitable for growing in sandy soil with deep soil layer, loose soil and humus. Because it is resistant to sea fog and sea breeze, it can also grow in saline soil on the beach. Strong pest resistance, slow growth and long life. Black pine is evergreen all year round and has strong resistance to diseases and pests. It is the first choice for greening barren hills and roads.

Pinus thunbergii also has good medicinal value. Drinking tea with pine needles can cure hypertension, hyperlipidemia, dispel wind and promote blood circulation, improve eyesight, soothe the nerves, detoxify and relieve itching. For influenza, rheumatic joint pain, traumatic swelling and pain, night blindness, Alzheimer's disease, neurasthenia; External use for chilblain. It has special curative effect on sexual hypofunction, diabetes, constipation, common cold of young people, acne, allergic rhinitis, obesity, etc.