Introduction of Hua Shan Shen:Funneled Physochlaina Root or Radix Physochlainae.
✵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:Antiasthmatics Herbs.
Introduction: Antiasthmatics: an agent or substance herbs that relieves cough and asthma(or dyspnea), usually by ventilating, clearing or moistening the lung, or directing lung Qi downward, stringing lung Qi or resolving phlegm.
✵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 Antiasthmatics Herbs are briefly introduced separately:
Radix Physochlainae(Funneled Physochlaina Root).
Pin Yin Name: Huá Shān Shen.
English Name: Funneled Physochlaina Root.
Latin Name: Radix Physochlainae.
Property and flavor: warm, pungent, sweet.
Brief introduction: The Herb Radix Physochlainae is the dried root of funnel-shaped physochlaina, Physochlaina infundibularis Kuang(family Solanaceae), used to relieve cough and dyspnea, and induce tranquilization. The herb is commonly known as Radix Physochlainae, Funneled Physochlaina Root, Huá Shān Shen.
Botanical source: The herb Radix Physochlainae(Funneled Physochlaina Root) is the dried root of the Physochliaina infundibularis Kuang., it is a plant of the Physochlaina. Genus, the Solanaceae family of the Tubiflorae order. It is also known as Funneled Physochlaina Root, Root of Funneled Physochlaina, Huà Shān Shēn. This commonly used species is introduced as:
(1).Physochliaina infundibularis Kuang.: Botanical description: The plant is also known as Lou Dou Pao Nang Cao (Literally it means a grass with a funnel and vesicle shape). Perennial herb, it grows up to 20~60 cm tall. Roots stout, fleshy, cone-shaped cylindrical. Stems erect, pubescent by adenocarcinoma, constant stems fascicular. Leaves alternate; Leaf blade leathery, ovate, broadly ovate or triangular broadly ovate, 4~9 cm long, 4~8 cm wide, apex often acute, base cordate or truncate, abruptly narrowed into petiole 2~7 cm. Inflorescence terminal or axillary; Pedicels are 7 cm long, dense white pilose; Calyx funnel-campanulate, 5 lobes, oblong or long triangular, margin and mask white pilose, bulbous at fruit stage; Corolla funnel-campanulate, yellow-green, or yellow-green margin, purplish-brown below margin, 5 lobes, broadly ovate to triangular, corolla outer and margin are hairy; 5 stamens, inserted below corolla tube; Ovary 2-locules, style filiform. Capsule capsid cleft, enveloped in cystoid calyx. Seed kidney. Its flowering period is from March to May, fruiting from May to June.
Ecological environment: The plant grows in valleys or under forests. Resource distribution: The plant mainly distributes in the middle of the Yellow River area.
Characters of herbs: Roots are elongated conical or cylindrical, with increased curvature, some branched, 10~20 cm long, 1~2.5 mm in diameter. Apex often 1 to several rhizomes, on which there are stem marks and warty projections. The surface is tan, has a yellow and white cross long leather hole, fibrous root mark, and longitudinal wrinkles, the upper part of the ring has dense grain. Qualitative hard and brittle, the section is not flat, skin ministry is narrow, kind of white, wood ministry is broad, flaxen, visible close radial grain. Slight smells taste slightly bitter, slightly numbness of the tongue. The herb with the full-body, the broken surface color white is better.
Pharmacological actions: The herb has a certain effect on the central nervous system, has the antiasthmatic action, has the spasm action, and dilates the pupil action.
Medicinal efficacy: Replenish deficiency, warm the middle, soothe the nerves, relieve asthma. Indicated for the treatment of fatigue, physical weakness, deficiency and cold diarrhea, insomnia, palpitation and easy to panic, cough and asthma due to excessive phlegm, night sweat, and spontaneous perspiration.
Administration of Radix Physochlainae(Huá Shān Shen):
Administration Guide of Radix Physochlainae(Huá Shān Shen)