Folium Perillae(Perilla Leaf).

TCM Herbalism:Medicinals and Classifications. ✵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:Pungent-Warm Exterior-releasing Herbs.

 TCM Herbs Icon01 Introduction: Pungent-warm exterior-releasing herbs: an agent or substance herbs pungent in flavor and warm in property, which is usually used for treating a wind-cold exterior syndrome.

Classifications of Herbs.

 TCM Herbs Icon 02 Introduction: The pungent-warm exterior-releasing herbs are known including:, , ,, , , , , , , , , , .

 ✵Till the date Oct 10th,2019, there are totally [14] kinds of common TCM herbs, [26] kinds of related plant species, are recorded in this category. These pungent-warm exterior-releasing Herbs are briefly introduced separately:

Folium Perillae(Perilla Leaf).

 Perilla Leaf Brief Introduction: The herb Folium Perillae is the dried leaf of Perilla frutescens(L.) Britt.(family Labiatae), used (1).to induce sweating for treating wind-cold affliction, (2).to arrest vomiting, and (3) as an antidote for fish and crab poisoning. The herb is commonly known as Perilla Leaf, Purple Perilla Leaf, Zǐ Sū Yè.

 ✵The herb Folium Perillae(Perilla Leaf) is the dry leaf of the Perilla frutescens(L.) Britt., it is a plant of the Perilla L. genus, the Lamiaceae or Labiatae(the mint or deadnettle family) family of the Lamiales order.

 Common official herbal classics defined the herb Folium Perillae(Perilla Leaf, Zǐ Sū Yè) as the dry leaf of (1).Perilla frutescens (L.) Britt. Other famous herbal classics defined the herb as the dry leaf of species of the same family:(1).Perilla frutescens(L.) Britt., (2).Perilla frutescens (L.) Britt.var.acuta(Thunb.) Kudo. These 2 commonly used species are introduced as:

 Perilla frutescensL.Britt.Var.crispa (1).Perilla frutescens(L.)Britt.: The plant is also known as Perilla frutescens(L.) Britt. Var.crispa (Thumb.) Hand.-Mand.-Mazz. Annual herbs, 30~200 cm tall. It has a special fragrance. Stem erect, much-branched, purple, greenish-purple or green, obtuse tetraphenous, densely villous. Leaves opposite; Petiole 3~5 cm long, purplish-red or green, covered with long serrate hairs; Leaf blade broadly ovate, round or oval, triangle, oval 4~13 cm long, 2.5~10 cm wide, apex acuminate or acuminate, sometimes in short caudate, base is rounded or broadly cuneate, margin coarsely serrate, sometimes serrate deep or shallow crack, purple or purple at lower part, only both sides are sparse hairs, along the veins of relatively dense, the leaf has a fine point oil glands; Lateral veins 7-8 pairs, lower slightly proximate, obliquely ascending. Inflorescences rosette, 2-flowered to one side into pseudo-racemes, terminal and axillary, inflorescence densely villous; Bracts ovate, ovate-triangular or lanceolate, entire, ciliate, glandular, margin membranous; Pedicels 1~1.5 mm long, densely pilose; Calyx campanulate, ca. 3 mm long, 10 veined, outer densely pilose and with yellow glandular points, apical 5 teeth, 2 lips, upper lip broad, 3 teeth, lower lip has 2 teeth, sometimes is enlarged, base saccate; Corolla lip, 3~4 mm long, white or purplish red, corolla tube with hair rings, outside pilose, upper lip slightly concave, lower lip 3-lobed, lobes are nearly round, middle lobes are larger; 4 stamens, 2-strong, inserted in the middle of the corolla tube, scarcely extending out of the corolla, anthers 2-locule; Disk distended anterior; 1 pistil, ovary 4-lobed, style subbasal, stigma 2-locule; Disk distended anterior; 1 pistil, ovary 4-lobed, style basal, stigma 2-lobed. Nutlets subglobose, grayish-brown or brown, 1~1.3 mm in diameter, reticulated, calyx ca. 10 mm. Its flowering period is from June to August, fruiting from July to September.

 Perilla frutescensL.Britt.Var.crispa Ecological environment and distribution: this species grow in mountain, roadside, village edge or wasteland, also cultivated. Resource distribution: The plant is widely cultivated throughout the country. The plant is distributed in east, south, northwest, north, southwest, Taiwan, and other areas of China.

 Trait identification:the leaves of purple perilla are wrinkled, curly and broken. The whole leaves are oval when flattened, 4~11 cm long and 2.5~9 cm wide. Apex long or acute, base is rounded or broadly cuneate, margin is rounded serrate. Both surfaces are purplish or green on the upper surface, purplish on the lower surface, sparsely grayish hairy, with mostly concave punctate glandular scales on the lower surface. Petiole 2~5 cm long, purple or purplish green. Very brittle. Stagnant twigs, 2~5 mm in diameter, purple-green, midsection pith. It is fresh and slightly pungent. The herb with leaves intact, the color purple, the aroma is good.

 Perilla frutescensL.Britt.Var.acuta Thunb.Kudo. (2).Perilla frutescens (L.) Britt.var.acuta(Thunb.) Kudo.:  The plant is also known as wild Perilla. This variety is distinguished from perilla by the fact that the calyx is small, 4~5.5 mm long, sparsely pilose at lower part, glandular; Stem pubescent; Leaves smaller, ovate, 4.5~7.5 cm long, 2.8~5 cm wide, sparsely pilose on both sides. Nuts small, khaki, 1~1.5 mm in diameter. Its flowering period is from June to August, fruiting from July to September.

 Trait identification: the whole leaves of the wild purple perilla were oval after flattening, 4~7 cm long and 2.5~5 cm wide. Leaves are green, dark green or purplish on both surfaces, margin rounded serrate. The herb with leaves intact, color purple, smell aromatic is good.


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