✵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 Internal Cold Herbs.
Introduction: Dispelling Internal Cold Herbs: also known as interior-warming herbs, an agent or substance herbs that warms the interior and expels internal cold, also known as cold-expelling herbs.
✵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 Internal Cold Herbs are briefly introduced separately:
Fructus Piperis Longi(Long Pepper).
Brief Introduction: The herb Fructus Piperis Longi is the dried nearly ripe or ripe fruit-spike of Piper longum L.(family Piperaceae), used to warm the stomach for the treatment of cold and pain in the stomach. The herb is commonly known as Fructus Piperis Longi, Long Pepper, or Bì Bá.
✵Official herbal classics and other famous herbal classics defined the herb Fructus Piperis Longi(Long Pepper) as the dried nearly ripe or ripe fruit-spike of (1). Piper longum L. It is a plant of the Piper L. genus, the Piperaceae family, Piperales order. This commonly used species is introduced as:
(1).Piper longum L.: It is commonly known as Bì Bá. Climbing vine, up to 8 meters long, finely powdery pubescent when young, branches longitudinally ribbed and grooved, with slightly enlarged nodes. Thickness of paper, with glandular dots, the lower the ovoid, upward gradually for the oval oblong, 6~12 cm long, 4~12 cm wide, apex abruptly short acuminate to acuminate, base broadly cordate, have two ears, two sides equal along very fine powdery pubescent on veins, especially on the back, 7 veins, base, most within 1 up to a few of the top of the blade; Petiole unequal in length, 9~10 cm in the lower part, 1~2 cm in the middle, sometimes nearly sessile and enveloping, all covered with very fine powdery pubescence. Flowers unisexual, dioecious, spikes on top, opposite leaves. Male inflorescence 4~5 cm long, ca. 3 mm in diameter; Peduncle 2~3 cm long, with very fine powdery pubescence; Bracts suborbicular, shield-shaped; 2 stamens, anthers elliptic, filaments very short; Female inflorescence 1.5~2.5 cm long, 4~5 mm thick, prolonged in fruit; Peduncle 1.5~2.9 cm long, puberulent; Ovary ovate, lower part united with inflorescence axis, 3 stigmas, apex acute. Berry globose, lower embedded in inflorescence axis, apex umbilically raised, glabrous, ca. 2 mm in diameter. Its flowering period is from March to April, fruiting from July.
Ecological environment: The plant distributes in mengla, menglian, yingjiang, gengma, hekou, malipo; It grows at areas of altitude 580~700 meters forest, evergreen forest. In China, the plant distributes in the Zhujiang river area. It also distributes in other areas of Southeast Asia, Bhutan, Malaysia, Nepal, Sri Lanka, Java and Sumatra, Luzon Island of Philippine.
Trait identification: The herb shape cylindrical, slightly curved, composed of most small berries, 1.5~3.5 cm long, 0.3~0.5 cm in diameter. The surface is dark brown or brown, with small protrusions arranged diagonally and orderly, the base of which is covered with the remains or exfoliation marks of spikelet. Hard and brittle, easy to break, irregular section, granular. Small berry globose, ca. 1 mm in diameter. It has a distinctive aroma and spicy taste. The herb with corpulent, full, firm, color black-brown, smell thick is better.