✵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:Qi Tonics,Herbs for Replenishing Qi.
Introduction: Qi Tonics,herbs for replenishing Qi: also known as Qi-tonifying herbs, an agent or substance that tonifies Qi, used in treating Qi deficiency.
✵Till the date Oct 10th,2019, there are totally  kinds of common TCM herbs,  kinds of related plant species, are recorded in this category. These Qi Tonics,Herbs for Replenishing Qi are briefly introduced separately:
Brief Introduction: The herb Radix Pseudostellariae is the dried tuberous root of Pseudostellaria heterophylla(Miq.)Pax ex Pax et Hoffm.(family Caryophyllaceae), used similarly to Radix Codonopsis, Tangshen, less active as a tonic, but more active in promoting the production of body fluids. The herb is commonly known as Radix Pseudostellariae, Hterophylly Flasestarwort Root, Tài Zǐ Shēn.
✵Common official herbal classics and other famous herbal classics defined the herb Radix Pseudostellariae(Hterophylly Flasestarwort Root) as the dried tuberous root of the species (1). Pseudostellaria heterophylla(Miq.) Pax ex Pax et Hoffm. It is a plant of the Pseudostellaria Pax genus, the Caryophyllaceae family of the Centrospermae order. This commonly used species is introduced as:
(1).Pseudostellaria heterophylla(Miq.)Pax ex Pax et Hoffm.: The plant is commonly known as Tài Zǐ Shēn, or Hái ér Shēn(Literally it means baby ginseng). Perennial herb, 15~20 cm tall. Tuberous root long spindle-shaped, white, slightly sallow. Stem is erect, solitary, covered with 2 rows of short hairs. Lower stem leaves often 1~2 pair, leaf blade oblanceolate, apex obtuse, base attenuate long sessile, upper leaf blade 2~3 pair, leaf blade broadly ovate or rhomboid ovate, 3~6 cm long, 2~17~20 mm wide, apex acuminate, base attenuate, upper part is glabrous, lower veins sparsely pilose.
1~3 flowers, axillary or cymose; Pedicels 1~2 cm long, sometimes 4 cm long, pubescent; 5 Sepals, narrowly lanceolate, ca. 5 mm long, apex acuminate, outer and margin sparsely pilose; 5 petals, white, oblong or obovate, 7~8 mm long, apex 2-lobed; 10 stamens, shorter than petals; Ovary ovate, 3 styles, slightly longer than stamens; Stigma capitate. Obturator fertilization flowers with short stalk; Sepals sparsely multicellular hairy. Capsule broadly ovate, containing few seeds, apically undivided or 3-lobed; Seeds are brown, oblate, ca. 1.5 mm long, warty. Its flowering period is from April to July, fruiting from July to August.
Ecological environment: the plant grows at an area with an altitude of 800~2,700 meters above sea level. It grows in forests and rocks on hillsides, in the dank valley under the forest. The plant distributes in the north area, northwest, the lower reaches area of the Yangtze River, and other areas of China.
Growing environment: Baby ginseng grows in a warm and humid environment, afraid of high temperature, more than 30 ℃ growth green stop. The plant is afraid of strong light exposure, easy to die in the sun, colder. It can safely pass the winter at -17 ℃. It can germinate and take root at low temperatures. The plant grows well under dank and wet conditions. It likes fertile, loose and rich humus soil. The plant grows well in sandy soil. Low waterlogging, clay soil, solid soil, poor drainage, soil containing less humus.
Trait identification: Tuberous roots are slender spindle-shaped or slender, slightly curved, 2~8 cm long, up to 12 cm in length, 2~6 mm in diameter, with extremely short basal or shoot trace at the tip, tapering to a caudate at the bottom. The surface is yellowish-white to drab yellow, smoother, has irregular fine longitudinal furrow and transverse sag slightly, meantime has fibrous root mark. Hard brittle, easy to break, flat section, like white or yellow-white, horny like; Sundries are white and powdery. Light smell, taste slightly sweet. The herb which is thick, yellow and white color is better.