✵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:Dispelling Wind-Damp Herbs.
Introduction: Dispelling Wind-Damp Herbs: an agent or substance herbs that dispels wind and damp, mainly for relieving rheumatism and related conditions.
✵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 dispelling wind-damp herbs are briefly introduced separately:
Rhizoma Homalomenae(Obscured Homalomena Rhizome).
Brief Introduction: The herb Rhizoma Homalomenae is the dried rhizome of Homalomena occulta(Lour.) Schott(family Araceae), used to dispel wind-damp, strengthen tendons and bones, and alleviate rheumatic pain for treating rheumatoid arthritis with cold sensation and pain in the back and knees, and contracture of the lower limbs. The herb is commonly known as Rhizoma Homalomenae, Obscured Homalomena Rhizome, Qiān Nián Jiàn.
✵Famous herbal classics defined the herb Rhizoma Homalomenae(Obscured Homalomena Rhizome) as the dried rhizome of (1).Homalomena occulta (Lour.) Schott. It is a plant of the Homalomena. Genus, Araceae family, Arales order. This commonly used species is introduced as:
(1).Homalomena occulta (Lour.) Schott.: It is commonly known as Qiān Nián Jiàn or Obscured Homalomena Rhizome, Rhizome of Obscured Homalomena. Herbs perennial. Rhizomes prostrate, slender, 1.5 cm thick. Root fleshy, densely covered with pale brown short tomentose, fibrous root. Usually with erect stems 30~50 cm tall. Branchial leaves are linear-lanceolate, up to 16 cm long, base 2.5 cm wide, tapering upward, acute; Petiole 20~40 cm long, lower part with 3~5 mm wide sheath; Leaf blade membranous to papery, arrow-shaped cordate to cordate, 15~30 cm long, 10~28 cm wide, apex abruptly narrow acuminate. The lateral veins are parallel and ascending obliquely. 1~3 Inflorescences, with scales and scales, raceme stalk shorter than petiole; Buddha flame bud green white, oblong to elliptic, 5~6.5 cm long, flower front curl into a hammer shape, the upper part slightly expanded into a short boat shape when holding flowers; Inflorescence 3~5 cm long; Female inflorescence 1~1.5 cm long, 4~5 mm thick; Male inflorescence 2~3 cm long, 3~4 mm thick. Ovary oblong, base one side with false stamens 1, ovary 3 locules. Berry, seed brown, oblong. Its flowering period is from July to September.
Ecological Environment: The plant grows in the dense forest of a gully, open forest, and hillside thickets at an elevation of 80~1,100 meters above sea level. The plant mainly distributed in the Zhujiang river area, Hainan, Yunnan, and other areas of China.
Trait identification: Rhizome cylindrical or slightly flattened and slightly curved. Length 15~40 cm, diameter 0.8~2 cm. Surface reddish-brown or yellow-brown, coarse, with many twisted longitudinal grooves and yellow-white fiber bundles. The quality is brittle, easy to break, broken face reddish-brown, resin, there are many fiber bundles exposed and round shiny oil point. It is fragrant, pungent and slightly bitter.