Current location - Recipe Complete Network - Healthy recipes - How many kinds of Dendrobium are there?
How many kinds of Dendrobium are there?
How many kinds of Dendrobium are there?

A large number of excellent hybrid varieties such as Dendrobium huoshanense, Dendrobium nobile, Dendrobium densiflora, Dendrobium drumstick and Dendrobium butterfly.

There are 1500 species in the world. Except for a few species, all belong to epiphytic orchids. Before 1980, only 57 species of Dendrobium were found in China. Later, Dendrobium 19 species were discovered and named, which enriched the germplasm resource bank of Dendrobium in China and now there are 76 species. The species of Dendrobium in China only account for about 5% of the world's total, but historically, its medicinal development and utilization are in the forefront of the world, and it is an important commonly used Chinese herbal medicine.

Globally, Dendrobium is mainly distributed in tropical and subtropical areas between north latitude15 31'and south latitude 2512'. In China, it is mainly distributed in the south of 30 north latitude, and there are also a few distributions between 30 and 35 north latitude. There are 76 species of Dendrobium in China.

Dendrobium nobile (scientific name: Dendrobium nobile), one of Orchidaceae plants, is mainly distributed in tropical and subtropical Asia, Australia and Pacific islands, and most parts of China are distributed in Southwest China, South China and Taiwan Province Province. The main species of Dendrobium are Dendrobium nobile, Dendrobium densiflora and Dendrobium drumstick. It can be used as medicine, named Dendrobium, which has therapeutic effects on human body, such as eliminating deficiency heat, benefiting essence and strengthening yin. With the rise of flower industry, Dendrobium has also become an ornamental plant. Dendrobium is generally cultivated in potted plants. Dendrobium is known as the flower of father because of its strong, peaceful and amiable temperament. Dendrobium plants are composed of fleshy stems, which are as thick as middle fingers, and leaves, such as bamboo leaves, are extracted from leaf axils. There are seven or eight flowers in each bud, 6 petals each, scattered around, with purple petals and white petals.

Growth habit

dendrobium

dendrobium

It often grows on trees or rocks in forests at an altitude of 480~ 1700 meters. Like warmth. Humid and semi-cloudy environment, not cold-resistant. The optimum growth temperature is 18~30℃, and the growth period is 16~2 1℃. The dormancy period is 16~ 18℃, the night temperature is 10~ 13℃, and the temperature difference is kept at 654438. The temperature over 30℃ in daytime has little effect on the growth of Dendrobium, and the temperature in winter is not lower than 10℃. Seedlings are easily frozen below 10℃.

Dendrobium should not be dry and afraid of water accumulation, especially when new buds begin to sprout and new roots form. But it is too humid, and it is easy to rot when it meets low temperature. When the weather is sunny and dry, in addition to watering, you should also spray more water on the ground to maintain a high air humidity. Dendrobium evergreen can keep enough water in winter, but Dendrobium deciduous can be properly aired to keep high air humidity.

Dendrobium is in the wild forest, but it still likes light in cultivation. Shading in summer and autumn is 50%, and shading in winter and spring is 30%. If the light is too strong, the stem will swell and turn yellow, and the leaves will be yellow-green. But there is plenty of sunshine, and there are many flowers in autumn.

The soil should be broken fern roots, water moss, charcoal chips, broken tiles, perlite, etc. It has good drainage and air permeability, mainly broken fern roots and water moss.