How many species of bluegrass are there? What are the types of orchids?

It usually includes spring orchid, cold orchid, Hui orchid, Jianlan, and primrose orchid, because China's cultural heritage is very consistent with the elegant image of orchids.

Perrin (scientific name: eupatoriumfortuneiturcz.).) is a perennial herbaceous plant of the family Asteraceae, Zeeland that can reach a height of 100 cm.

The rhizome is transverse, pale reddish-brown. The stems are erect, the inflorescences are branched and the hairs on the peduncles are dense. The middle stem and leaves are larger, three total lobes or three deep lobes, the middle lobes are larger, oblong or oblong-elliptic-lanceolate or inverted-lanceolate, all stems and leaves are smooth on both sides, pinnate veins, and the capitate inflorescences are mostly arranged in a compound inflorescence at the top of the stem and the end of the branches, the total bracts are bell-shaped, the total bracts are arranged in a shingle-like manner, the outer layer is short, ovate-lanceolate, and the middle and inner bracts are gradually elongated and oblong-elliptic; All bracts purplish-red, flowers white or reddish, achenes black-brown, oblong-oval, flowering and fruiting from July to November.

Orchids are very precious flowering plants in China, most of the terrestrial orchids are native to China, and new varieties of orchids are constantly discovered and cultivated every year. I will introduce you to the five main Chinese orchids among the orchid varieties.

Orchids1. Chunlan:Chunlan is also known as grass orchid and mountain orchid. Chunlan is widely distributed and rich in resources.

The flowering period is 2-3 months of the year, and the time can last for about 1 month. The fragrance of the flowers is rich and pure. Precious varieties have various colors of lotus, plum, narcissus, butterfly and other petal types.

In terms of valve type, the famous products of Jiangsu and Zhejiang are the most typical.

2. Hui Lan:The roots of Cymbidium are thick and long, the leaves are narrow and banded, the quality is rough, hard, pale green, the leaf margin is distinctly serrate, and the midrib is prominent. The flowers are fragrant and long-lasting, and the flower color is yellow.

White, green, light red and compound colors, mostly colorful flowers, but also plain flowers and butterfly flowers.

3. Jianlan:It is also called the four-season orchid, including the summer orchid and autumn orchid that bloom in summer. The Four Seasons Orchid is strong and upright, the leaves are green and the flowers are numerous, the fragrant flowers are beautiful, not afraid of the heat, not afraid of the cold, the vitality is strong, and it is easy to cultivate.

Different varieties have different flowering periods, and flowers can be seen in May and December.

Fourth, Hanlan:Hanlan is distributed in Fujian, Zhejiang, Jiangxi, Hunan, Guangdong, and Yunnan, Guizhou, Sichuan and other places in the southwest. The leaves of the Han orchid are slender and slender compared with the four-season orchid, especially the leaf base is thinner, the leaf posture is elegant and chic, green and delicate, and there are varieties such as large, medium, fine leaves and borders.

The flowers are rich in color, including yellow, green, purple-red, deep purple and other colors, generally with variegated veins and spots, and there are also clean and flawless plain flowers. The sepals and petals are narrow, with a unique style, delicate and lovely, and the aroma is striking.

5. Mo Lan:Molan, also known as the New Year's Orchid, the New Year's Orchid, the Harvest Orchid, etc., is native to Guangdong, Guangxi, Fujian, Yunnan, Taiwan, Hainan, etc. Orchid farmers in southern China, especially in Guangdong and Yunnan, like to cultivate and ornament the most.

Orchid is a perennial herb in the family of monocots. There are an estimated 800 genera and 30,000,400,000 native species of orchids in the world, and more than 40,000 artificial hybrids. According to the growth mode, it can usually be divided into three categories: epiphytic orchid, ground orchid and saprophytic orchid.

Epiphytic orchids mostly grow on tree trunks, and some on rocks or cliffs. Its nutrients are mainly taken from the inorganic salts and water contained in rain and dew. The debris of various plants and animals in the rainforest will become nutrients for the orchid when it falls around its roots.

Common cultivated species are Cattelan, Wandai Orchid, Phalaenopsis, Dendrobium, Steller's Orchid, etc.

Ground orchids include almost all species native to temperate regions. They grow in the soil and absorb water and inorganic salt nutrients from it. Most of the commonly cultivated species are Orchid, Chun Orchid, Hui Orchid and Shrimp Spine Orchid.

Saprophytic orchids are orchids that live on dead and decaying organisms. There are many types, and China's famous Chinese medicine gastrodia is one of them.

Orchids are evergreen perennial herbaceous flowers of the orchid family, which are divided into two categories: ground orchid and aerial orchid. Aerial orchid is also called epiphytic orchid, yang orchid, aerial orchid has aerial roots, false bulbs are larger, the leaves are broad, the inflorescence is curved or drooping, the flowers are peculiar, the color is rich, there is no fragrance or less fragrance, so the color and shape of the flower wins, and it is often used as cut flowers. The ground orchid is also called the Chinese orchid.

It is a traditional species cultivated in our country, it is an orchid that grows in the soil, it does not have aerial roots, the false phosphorus stem is small, the leaves are narrow and thin, the inflorescence is erect, the leaves are beautiful, the flower fragrance is strong, and it wins with its color and taste. The main varieties of ground orchid commonly cultivated in China are: Chunlan.

Also known as Gram, the leaves are narrow and linear, the leaf margins are finely toothed, the leaf veins are obvious, and the roots are fleshy and white. The flowers are solitary or twin, yellow-green, and there are also nearly white and purple varieties, and the fragrance is elegant. Blooms in early spring from February to March.

There are many varieties of spring orchid, usually in the shape of petals, divided into plum petal type, narcissus petal type, butterfly petal type, plain heart petal type and other flower types. Hui Lan.

Also known as the nine-section orchid, the leaves are linear, wider and longer than the spring orchid, more upright and erect, and the leaf margin is rough. The flowers are composed of 5-13 racemes, pale yellow, white lip petals, purple-red spots, strong fragrance, and the flowering period is from April to May. Jianlan.

Also known as autumn orchid, the leaves are ribbon-shaped, about 50 cm long, and the leaf margin is not serrate. The flowers consist of 6-12 racemes. Yellow-green to light yellow-brown, with dark purple stripes, strong fragrance, flowering period from August to September. Merlan.

Also known as primrose, the leaves are up to 60 80 cm long, broad, fat and smooth, straight and nearly erect. Each flower has 5-10 flowers, the flower color is dark, with purple-brown stripes, the fragrance is light, and it blooms around the Spring Festival. Symphysis.

Also known as the little bee orchid, the leaves are short, wide and smooth. The flowers are oblique, shorter than the leaves, each has 5-20 flowers, the flower type is small and dense, the outer petals are russet, no fragrance, and bloom from winter to early spring. Hanlan:

Ye is like Jianlan; Narrow and erect. The flower leaves are thin and erect, with 5 or 7 flowers on it, the flowers are small and narrow, there are many flower colors such as green, purple, pink, white, yellow, etc., there is fragrance, and it blooms in winter and spring. Rabbit ears raw:

The leaves are short, narrowly elliptic, the base has a long stalk, the flowers climb about 20 cm high, with 5-6 flowers, pale green with a light fragrance, the lip flap is not obvious, 3-lobed, **lobes are reversed, there are purple stripes on the white, and the flowering period is 5-7 months. Ground orchids prefer warm and warm climatic conditions and do not require high soil moisture content, but require high soil moisture. Orchids have a fleshy fibrous root system, and the rhizomes also grow underground, and the rhizomes that live in symbiosis with the newspaper system also need good aeration conditions, and if the soil is too moisture, it will not only grow poorly, but sometimes die.

There are more than 20,000 species of orchids in the world. Broadly speaking, they can all be called orchids.

In a narrow sense, Chinese orchids are mainly divided into five categories: spring orchid, hui orchid, jian orchid, cold orchid, and black orchid, and there are thousands of horticultural varieties.

Specific horticultural species, every year there will be new breeds, this number is not constant. Some species are not popular with the market and will also disappear. So there are no very precise specific figures.

1. Chunlan. Born at an altitude of 300-2200 meters above sea level, the rocky mountain is cautious and the slope, the forest edge, and the light in the forest. The flowering period is from January to March, the flowers are yellow-green, the fragrance is quiet, and the petal shapes are plum petals, narcissus petals, Xiaochai lotus petals, butterfly petals, plain heart petals and other types.

2, Mo Lan. Grows at an altitude of 300-2000 m above sea level, in understory forests, shrublands or in moist but well-drained shaded places next to valleys. The flowering period is from October to March of the following year, with fragrance, and the petals are mostly purple-brown stripes.

3, Jianlan. It grows at an altitude of 600-1800 meters above sea level under open forests, in shrubs, beside valleys or in grasses. The flowering period is from June to October, and the flowers are usually yellow-green or even light yellow-brown, with dark purple stripes, and the fragrance is very strong.

4. Hanlan. It grows at an altitude of 400-2400 meters above sea level, under forests, next to ravines, or on shady, moist, rocky soils. The flowering period is from August to December, and the flowers are often pale yellow and have pale yellow lip petals, and there are also other colors and lusters, with a strong aroma.

Orchids are mainly divided into two categories: national orchids and foreign orchids, the national orchid is the traditional orchid in our country, mainly talking about orchid plants, such as spring orchid, cold orchid, Mo orchid, Jianlan, Hui orchid, multi-flower orchid, rabbit ear orchid, tiger head orchid, monopolistic spring, beautiful flower orchid and so on. Orchids are orchids other than national orchids, mainly talking about tropical orchids, such as phalaenopsis, large-flowered orchid, orchid, cattelan, dendrobium, bandai orchid and so on.

1. Chunlan: The leaves of Chunlan are slender, and the edge of the leaf has thin small teeth, which are a little prickly to the touch. The flowering period of spring orchid is from January to March, and the flowers are pale yellow-green, reddish and fragrant.

2. Han Orchid: The leaves of Han Lan are slender, and the leaves are slender and soft. The flowering period of the orchid is from October to December, and the flowers are yellow-green with a light reddish-brown color, and the floral fragrance is intense.

3. Molan: The leaves of Molan are very wide, and some of the leaves also have gold edges, which are very ornamental. The flowering period of black orchid is from September to February of the following year, and the flowers are mostly dark purple and purple-brown, and the flowers are fragrant.

4. Jianlan: The leaves of Jianlan are slightly wider, and the edge of the leaf has thin small teeth, and the leaves are more upright. The flowering period of Jianlan is from June to October, and the flowers are pale yellow-green, with purple spots, and the floral fragrance is rich.

5. Orchid: The leaves of Orchid are slender and very erect. The flowering period of the orchid is from March to May, the flowers are yellow-green or emerald green, the flowers have purple-red spots on the tongue petals, and the floral fragrance is rich.