✵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:Fragrant Odor for Resolving Dampness Herbs.
Introduction: Fragrant Odor for Resolving Dampness Herbs: a fragrant agent or substance herbs effective for resolving damp, often used in the treatment of damp syndrome marked by anorexia, lassitude, nausea and vomiting, distension in the chest and abdomen, greasy tongue coating and slippery pulse either in cases of febrile diseases or in other miscellaneous diseases.
✵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 fragrant odor herbs for resolving dampness are briefly introduced separately:
Brief Introduction: The herb Semen Alpiniae Katsumadai is the dried seed of Alpinia katsumadai Hayata(family zingiberaceae), used to dry dampness, move Qi, and warm the middle for relieving gastralgia, vomiting, and diarrhea due to accumulation of cold-damp or Qi stagnation in the spleen and stomach. The herb is commonly known as Katsumade Galangal Seed, Seed of Katsumada Galangal, Cǎo Dòu Kòu.
✵Common famous herbal classics and official herbal classics defined the herb Semen Alpiniae Katsumadai(Katsumada Galangal Seed) as the dried seed of the species (1). Alpinia katsumadai Hayat., it is a plant of the Amomum genus, the Zingiberaceae family, the Zingiberales order. This commonly used species is introduced as:
(1).Alpinia katsumadai Hayat.: It is commonly known as Cǎo Dòu Kòu. Perennial herbs, 1.5~3 meters tall. Petiole length 1.5~2 cm; Leaf blade narrowly elliptic or linear-lanceolate, 50~65 cm long, 6~9 cm wide, apex acuminate, base acuminate, margin hairy, both surfaces glabrous or sparsely hirsute only below; Leaf tongue egg vegetables, 5~8 mm long, covered with coarse hair. Raceme terminal, erect, 20~30 cm long, raceme axis densely hirsute, pedicel ca. 3 meters long, bracteoles milky white, broadly elliptic, ca. 3.5 cm long, apex obtuse, base connate; Calyx campanulate, white, 1.5~2.5 cm long, apex irregularly 3-obtuse, 1-sided deeply lobed, outer hairy; Corolla white, corolla tube ca. 8 mm long, 3 lobes, oblong, upper lobes larger, ca. 3.5 cm long, ca. Lateral staminodes lanceolate, 4 mm long or sometimes absent; 1 stamens, 2.2~2.5 cm long, anthers elliptic, septum abaxially covered with glandular hair, filaments flattened, length is about 1.5 cm. Ovary ovoid, inferior, densely covered with pale yellow silky hair. Capsule suborbicular, ca. 3 cm in diameter, hirsute, yellow when ripe. Its flowering period is from April to June, fruiting from June to August.
Ecological environment: the plant grows in mountainous areas, sparse forests, gullies, rivers, and wet forest margins. Resource distribution: the plant is distributed in the Zhujiang river area, Hainan, and other areas of China.
Trait identification: Spherical or elliptic, with 3 obtuse edges and 3 shallow trenches, 1.5~3 cm long, 1.5~3 cm in diameter. Surface grayish brown or yellowish-brown; There is yellow-white or light brown septum divided into 3 compartments, each compartment has 22~90 seeds, not easy to spread. Seed leaves oval-shaped polyhedron, 3~5 mm long, 2.5~3 mm in diameter, slightly raised on the back, a thick end of the round nest shape of species umbilicus, chalking point at the center of the flat end of the concave, ventral a longitudinal groove, along the longitudinal groove from the umbilicus to chalking point, along the chalking point to the back also has a longitudinal groove, the end of the groove does not reach the species umbilicus. Hard quality, section milky white. Aromatic, pungent and spicy. The herb which is big, full, strong quality, the strong smell is better.