Introduction of Pei Lan:Fortune Eupatorium Herb or Herba Eupatorii.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Fortune Eupatorium Herb, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Eupatorium fortunei Turcz., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Fortune Eupatorium Herb, its pharmacological actions, medicinal efficacy, and administration guide.

Herba Eupatorii(Fortune Eupatorium Herb).

Herba Eupatorii:herb photo Pin Yin Name: Pèi Lán.
 English Name: Fortune Eupatorium Herb.
 Latin Name: Herba Eupatorii.
 Property and flavor: neutral in nature, pungent.

 Brief introduction: The herb Herba Eupatorii is the aerial part of Eupatorium fortunei Turcz.(family Compositae), used to resolve damp for relieving nausea, vomiting, and abdominal distension, especially in cases of summer afflictions. The herb is commonly known as Fortune Eupatorium Herb, Herb of Fortune Eupatorium, Herba Eupatorii, or Pèi Lán.

 Botanical source: Herbal classic book defined the herb Herba Eupatorii(Fortune Eupatorium Herb) as the aerial part of (1). Eupatorium fortunei Turcz. It is a plant of the Eupatorium genus, the Asteraceae family, Campanulales order. This commonly used species is introduced as:

(1).Eupatorium fortunei Turcz.


 Eupatorium fortunei Turcz.:growing plant Botanical description: It is commonly known as Eupatorium chinense L.var.tripartitum Miq., or Pèi Lán. Perennial herbs, 40~100 cm tall. Rhizome transverse, reddish-brown. Stem erect, green or reddish-purple, base stem up to 0.5 cm, branches few or only at stem apex with corymbose branches. All stem branches sparsely pubescent, inflorescence branches and peduncle densely hairy. Middle stems and leaves are larger, trifid, total petiole 0.7~1 cm long. Middle lobes are larger, oblong-oblong-lanceolate, or oblong-lanceolate, 5~10 cm long, 1.5~2.5 cm wide, apex acuminate, lateral lobes isomorphic to middle lobes but smaller, upper stems and leaves often undivided; Stems and leaves undivided, lanceolate or oblong-lanceolate or oblong, 6~12 cm long, 2.5~4.5 cm wide, petiole 1~1.5 cm long. All stems and leaves smooth on both sides, glabrous without glandular points, pinnately veined, margin coarsely or irregularly serrate. Stem leaves gradually smaller below middle, basal leaves flowering withered.

 Eupatorium fortunei Turcz.:flowering plant Inflorescences are mostly arranged in cymes, 3~6 cm in diameter. Involucre campanulate, 6~7 mm long; Involucral bracts 2~3 layers, imbricate, outer layer is short, ovate-lanceolate, middle inner bracts gradually long, ca. 7 mm, oblong; All bracts purplish red, glabrous without glandular points, apex obtuse. Flowers white or reddish, corolla ca. 5 mm long, glandular without outside. Achene dark brown, oblong, 5 arrowed, 3~4 mm long, glabrous and glandular; Crested white, ca. 5 mm long. Its fruiting period is from July to November.

 Eupatorium fortunei Turcz.:flowers Ecological environment: The plant grows in thickets or streams. It is rare in the wild, more cultivated. The wild plant grows by roadside thickets and gully roadside. Resources distribution: The plant distributes in the lower reaches area of the Yangtze River, the Zhujiang river area, southwest, the Hanjiang river area. It also grows in other areas of East Asia include southern Korea, Japan.

 Growth characteristics: The plant Eupatorium fortunei prefers a warm and humid climate, resistant to cold, afraid of drought, avoid waterlogging. The temperature is lower than 19℃, the growth is slow, grows rapidly at high temperature and humidity season. The soil requirements are not strict, it is appropriate to choose loose fertile, good drainage sandy loam for cultivation.

 Fortune Eupatorium Herb:herb photo Characters of herbs: The stem of the herb is cylindrical, 20~100 cm long, and 2~5 mm in diameter. The surface is yellowish-brown or yellow-green, some are purple, there are obvious nodes and longitudinal edges, and the length of internodes is 3~7 cm; The texture of the herb is crisp, the pith of the fracture surface is white or hollow. The leaves are opposite, with petioles, and the leaves are mostly wrinkled and broken. After the whole leaves are flattened, they are usually 3-lobed or undivided. The middle lobes of the cleft leaves are larger, the lobes are oblong or oblong-lanceolate, the leaf base is narrow, the edges are serrated, and the surface is greenish-brown or dark green. The undivided leaves are ovoid, ovate-lanceolate, or oval after flattening. The herb has an aromatic fragrance, it tastes slightly bitter. The herb of better grade has tender leaves, many leaves, green color, and strong fragrance.

 Pharmacological actions: ①.inhibitory effect on the influenza virus; ②.can cause the estrous cycle of mice to stop temporarily, and the ovulation is inhibited; ③.antibacterial effect.

 Fortune Eupatorium Herb:herb photo Medicinal efficacy: Resolving dampness with aromatics, clear summer heat, dispel dirty, wake up spleen and appetizer, release the summer, relieving exterior syndrome and relieving summer-heat, harmonize the middle energizer, resolving dampness, regulating menstruation. It is indicated for turbid damp obstructing in the middle energizer, affection from summer-heat and dampness, dampness pathogen accumulated internally, cephalea of cold and heat, epigastric distention and fullness, vomit and throw up, nausea and vomiting, sweet and cloying in mouth, bad breath, much saliva, summer dampness exterior syndrome, head distension and chest tightness, irregular menstruation.

 Administration of Herba Eupatorii(Pèi Lán): 
 
Reference: Administration Guide of Herba Eupatorii(Pèi Lán)
TCM Books: ①.Internally:3~9 grams;②.Internally:water decoction,1.5~3 qian(about 4.5~9 grams),fresh herb 3~5 qian(about 9~15 grams) or prepare to pill,powder;③.Internally:water decoction,6~10 grams,fresh herb could be 15~20 grams.

 
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.
 
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References:
  • 1.Introduction of Pei Lan:Fortune Eupatorium Herb or Herba Eupatorii.

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