✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.
Classifications of Herbs:Herbs Regulating the Flow of Qi.
Introduction: Herbs Regulating the Flow of Qi: also known as Qi-regulating herbs, an agent or substance that regulates the activity of Qi to treat Qi stagnation or adverse Qi flow, also known as Qi-moving herbs.
✵Till the date March 19th, 2020, there are Totally  kinds of common TCM herbs,  kinds of related plant species,  kind of related insect species, are recorded in this category. These Herbs Regulating the Flow of Qi are briefly introduced separately:
Rhizoma Cyperi(Nutgrass Galingale Rhizome).
Brief Introduction: The Herb Rhizoma Cyperi is the dried tuber of Cyperus rotundus L.(family Cyperaceae), used to soothe liver Qi, regulate menstruation and alleviate pain for treating chest and abdominal distension with pain, amenorrhea, and dysmenorrhea. The herb is commonly known as Rhizoma Cyperi, Nutgrass Galingale Rhizome, Xiānɡ Fù.
✵Official herbal classics and other famous herbal classics defined the herb Rhizoma Cyperi(Nutgrass Galingale Rhizome) as the dried tuber of the species (1). Cyperus rotundus L. It is a plant of the Cyperus Linn genus, the Cyperaceae family of the Cyperales order. This commonly used species is introduced as:
(1).Cyperus rotundus L.: The Cyperus rotundus L., is a plant of the Cyperaceae(sedge family) family and Cyperus genus, it is commonly known as "Cyperus rotundus", or "Cyperus Root", or "suō cǎo". Perennial herb; spindle-shaped tubers attached to elongated rhizomes. The stalk is solitary and has three sharp edges. Leaves basal, narrowly linear, apex acute, shorter than the rod, base sheath brown, often fissile into fibrous, leaf sheath closed to stalk.
Inflorescences repetitive, 3~6 in stalks arranged in an umbrella shape. 2~4 pieces of a leafy total scorpion, several as long as inflorescence or longer than inflorescence; spikelets broadly linear, 2 scales, ovate, membranous, purple-red on both sides, 1 flower per scale.
Flowering period from June to August, fruiting period from July to November. Nutlets are obovately obovate, trigonous, ca. 1/2 length, with fine spots on the surface.
Identification and Characteristics of the herb: The rhizome is spindle-shaped, or slightly curved, 2~3.5 cm long and 0.5~1 cm in diameter. The surface is brown or dark brown, with irregular longitudinal wrinkles, and there are 6-10 obvious and slightly raised links. There are many unfinished dark brown hairs and root marks on the knot; the net hair is smoother. There are fine vertical ridges. The quality is hard, the keratin is horny, brown or brownish red; the face of the sun-dried person is powdery, white-like, the endothelium is obvious, the middle column is dark, and the vascular bundle is scattered. It is fragrant and tastes bitter. It is better to have a large, solid, brown and aroma smells. In China, the herb name of the Rhizoma Cyperi are commonly including:"Xiang Fu, Xiang Tou Cao, Que Tou Xiang, Sha Cao Gen, Xiang Fu Zi, Lei Gong Tou, Xiang Fu Mi, San Leng Cao Gen, etc."
Ecological environment: The Cyperus rotundus L., grows in wet fields, wasteland, roadside, ditch or field in the sun. It is one of the most vicious weeds in the world and is not easy to remove. Geographical distribution: This species widely distributed throughout the world, in China is mainly distributed in the south of the Qinling Mountains, North China, Central South, Northwest China, Southwest China, provinces Gansu, Hebei, southern Shanxi, Shaanxi, Taiwan, and other provinces.