✵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:
Fructus Amomi(Spiny Amomum Fruit).
Brief Introduction: The herb Fructus Amomi is the dried ripe fruit of Amomum villosum Lour., Amomum villosum var.xanthioides T.L. Wu et Senjen, or Amomum longiligulare T.L. Wu(family Zingiberaceae), used (1).to resolve dampness for treating damp accumulation in the spleen and stomach, (2).to warm the middle for treating vomiting and diarrhea due to deficiency-cold of the spleen and stomach, and (3).to prevent miscarriage in cases of threatened abortion. The herb is commonly known as Fructus Amomi, Spiny Amomum Fruit, Shā Rén.
✵Common famous herbal classics and official herbal classics defined the herb Fructus Amomi as from dried mature fruit from the Zingiberaceae family plant species (1). Amomum villosum Lour; or (2). Amomum villosum Lour. var. xanthioides T. L. Wu et Senjen; or (3). Amomum longiligulare T.L. Wu., they are plants of the Amomum genus, the Zingiberaceae family, the Zingiberales order. These 3 commonly used species are introduced as:
(1).Amomum villosum Lour.: The Amomum villosum Lour., is a plant of the Zingiberaceae family and Amomum genus, it is commonly known as "Amomum villosum", or "Yang Chun Sha", perennial herb, up to 1.5 meters. The rhizomes are cylindrical, traversing, small and articulate, with tubular membranous scales on the nodes, brown. Stems upright. 2 rows of leaves, sessile; leaves narrowly oblong or linear-lanceolate, 14~40 cm long, 2~5 cm wide, apex acuminate or caudate, base attenuate, entire, smooth on top, Under the hair or off; leaf sheath open, holding the stem; lingual tongue short, light brown.
Flowering stems are drawn from rhizomes, finely pilose, with scaly leaves, pale brown; spikes globose, fruiting; bracts oblong-ovate, smooth membranous; bracteoles tubular, apically 2-lobed, glial; ca. 1.6 cm, apex 3-lobed, lobes close to triangular; corolla tube fine, ca. 1.8 cm, 3-lobed, lobes oblong, white, apex pocket-shaped; lip obovate to spatulate, white, the center has pale yellow and red spots. The apex has irregularities and nicks. The base has claws. The lateral staminodes have small milky bulges. 1 stamens, the anthers are smooth, the septum appendages are cleft, the bilateral lobes are small, the central lobes Large and anti-wound, filaments flat and short; ovary lower, spherical, with fine hair, 3 rooms, ovules per room, slender style, base with 2~3 nectaries, stigma near-spherical.
Capsule, subglobose, not dehiscent, ca. 1.5 cm in diam., stipitate, reddish brown when ripe. The seeds are mostly aromatic. Its flowering period is from March to June, fruiting period is from June to September.
Ecological environment: The Amomum villosum Lour., grows in the valley forest, wetlands, or cultivation. Geographical distribution: This species is mainly distributed in the Zhujiang river area, and other provinces of China. This species is also distributed and grows throughout Southeast Asia.
(2).Amomum villosum Lour. var. xanthioides T. L. Wu et Senjen.: The Amomum villosum Lour. var. xanthioides T. L. Wu et Senjen., is a plant of the Zingiberaceae family and Amomum genus, it is commonly known as "Amomum villosum Lour.var.xanthioides", "Cocklebur-like Amomum", or "Green Shell Amomum", or "Lv Ke Sha", or "Suo Sha", perennial herb, 1.5~3 meters tall, rooted to the ground. Leaf blade long lanceolate to linear, 20~35 cm long, 3~7 cm wide, smooth on both sides without hair; ligule semicircular, long 0.3-0.5 cm. Spikes elliptic; sepals lanceolate, membranous; bracteate tubular, membranous; flowers white, apically with 3 shallow teeth; corolla tube 1.8 cm, lobes 1.6~2 cm long, white; lip white, The midrib is raised, yellow and reddish purple, the base has 2 purple verrucous patches; the appendix appendages are 3-lobed, bilaterally auriculate; ovary puberulous. When the pods are mature, they are green and the prickles on the skin are relatively flat. Its flowering period is from May to June, fruiting period is from August to September.
Ecological environment: The Amomum villosum Lour. var. xanthioides T. L. Wu et Senjen., grows in a damp place under the forest. Geographical distribution: This species is mainly distributed in southwest area of China.
(3).Amomum longiligulare T.L.Wu.: The Amomum longiligulare T.L.Wu., is a plant of the Zingiberaceae family and Amomum genus, it is commonly known as "Amomum longiligulare", "Longiligulate Amomum Fruit", or "Hai Nan Sha", herbs erect, 1~1.5 meters tall, with creeping rhizomes. Leaf blade linear or linear-lanceolate, 20~30 cm long, 2.5~3 cm wide, apex caudate-acuminate, base tapering, glabrous on both surfaces; petiole ca. 5 mm; leaf blade lanceolate, 2~2 4.5 cm, membranous, glabrous. Peduncles 1~3 cm long, ca. 5 mm long persistent scales; bracts lanceolate, 2~2.5 cm long, brown; bracteoles ca. 2 cm long, enclosing cul-de-sac; flowers are white, calyx tube 2~2.2 cm long, apex 3-toothed; corolla tube slightly longer than calyx, lobes oblong, ca. 1.5 cm, verticillate, ca. 2 cm in length and width, white, yellow tip apex prominent 2-lobed head, midrib uplift, purple; stamens ca. 1 cm, appendages 3-lobed, middle lobe semicircular, lobes suborbicular on both sides.
Capsule fruit shape ovate, bluntly trigonous, 1.5~2.2 cm long, 0.8~1.2 cm wide, split spurred proboscis, thorn is long but 1 mm; seed purple-brown, light brown, membranous pseudoa. Its flowering period is from April to June, fruiting period is from June to September.
Ecological environment: The Amomum longiligulare T.L.Wu., grows in a damp place under the forest. Geographical distribution: This species is mainly distributed in Xishuangbanna of Yunnan, introduced and cultivated in Guangdong and Hainan province of China.
The Amomum villosum Lour. var. xanthioides T. L. Wu et Senjen species variants and positive external morphology is very similar, the difference is the point: This variant rhizome apex buds, leaves are mostly green, turns green when ripe. Its flowering period is from April to May, fruiting period from July to September.
Amomum longiligulare T. L. Wu, differs from Amomum villosum Lour: This species ligule very long, length 2~4.5 cm. Fruit with apparent 3 blunt edges, peel thick hard, flaky, soft spines split, easily identified. It is flowering is from April to June, fruiting period is from June to September.
Habitat distribution: Villosum mainly grows and produced in Guangdong, Guangxi and other provinces of China. It also grows and produced at South Asia area including Thailand, Myanmar, etc.