Which type of dendrobium is best?

Dendrobium nobile Lindl (Alias: Dendrobium nobile Lindl), also known as the fairy orchid, the immortal grass, the resurrection grass, the purple fairy plant, the golden-edged spider plant, the forest orchid, and the forbidden life. The stem is upright, fleshy, slightly flattened cylindrical, 10 to 60 cm long and up to 1.3 cm thick. Medicinal plant, Poria cocos has sweet, mild and slightly salty properties, is cold, and enters the stomach, kidney and large intestine meridians. It nourishes the stomach, produces fluid, quenches thirst, nourishes yin and clears away heat[1]. It is used for damage to yin and deficiency of body fluid, dry mouth and tongue, thirst and loss of appetite, food stagnation and nausea, virtual fire after illness, and blurred vision. Dendrobium officinale has elegant flowers, lovely appearance, bright shape and fragrant smell. It is known as one of the "four great ornamental foreign flowers".

Dendrobium officinale likes to grow in a warm, humid, semi-shady and semi-sunny environment. It is best grown in the subtropical mountains with an annual rainfall of more than 1000mm, relative humidity of more than 80%, and an average temperature in January above 8°C. The requirements for fertilization are not very strict. Most of them grow naturally on loose and thick tree roots or trunks, and some also grow in rock cracks.

In fact, various types of Dendrobium officinale have similar effects, and there is no saying which one is better or which one is the best.

There are many classifications of Dendrobium officinale in the world, with about 1,500 species. The main species include Dendrobium nobile, Dendrobium dense-flowered, Dendrobium chrysotoxum, Dendrobium officinale and many hybrid high-quality species. The species of Dendrobium in my country only account for about 5% of the world's total, but in ancient times, its medicinal development and application were at the forefront of the world and it is an important common Chinese herbal medicine.

Dendrobium officinale is a tonic medicine, and its stems are mainly used for its medicinal value. You may also see a kind of rolled-up Dendrobium officinale. In fact, this kind of Dendrobium officinale is made by removing the residue from the dried Dendrobium officinale after picking, scalding it with boiling water or baking it to soften it, then rubbing it and drying it until the petioles are rubbed clean and dried. After cutting off some roots of the Huoshan Dendrobium officinale, frying it and twisting it into a spiral or spring shape, and air-drying it, it is customarily called "earring Dendrobium". Dendrobium candidum is mainly used to nourish the stomach, produce fluid and quench thirst, nourish yin and clear away heat. It is used to treat yin damage and fluid deficiency, dry mouth and tongue, thirst and loss of appetite, food stagnation and nausea, virtual fire after illness, and blurred vision.