Introduction of Wu Zhu Yu:Evodia Fruit or Fructus Evodiae.
✵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 Evodiae(Evodia Fruit).
Pin Yin Name: Wú Zhū Yú.
English Name: Evodia Fruit.
Latin Name: Fructus Evodiae.
Property and flavor: hot, pungent, bitter, mild toxic.
Brief introduction: The herb Fructus Evodiae is the dried nearly mature fruit of Evodia rutaecarpa(Juss.) Benth., Evodia rutaecarpa var.officinalis(Dode)Huang or Evodia rutaecarpa var.bodinieri(Dode)Huang(family Rutaceae), used to warm the stomach and relieve pain in the cases of gastralgia, abdominal pain, acid regurgitation and vomiting. The herb is commonly known as Fructus Evodiae, Evodia Fruit, Wú Zhū Yú.
Botanical source: Official herbal classics and other famous herbal classics defined the herb Fructus Evodiae(Evodia Fruit) as the dried nearly mature fruit of (1). Evodia rutaecarpa(Juss.) Benth., (2). Evodia rutaecarpa var.officinalis(Dode)Huang., or (3). Evodia rutaecarpa var.bodinieri(Dode)Huang. They are plants of the Euodia(Tetradium) genus, the Rutaceae family, Sapindales order. These 3 commonly used species are introduced as:
(1).Evodia rutaecarpa(Juss.)Benth.: Botanical description: The Evodia rutaecarpa(Juss.)Benth., is a plant of the Rutaceae family and Tetradium genus, it is commonly known as "Evodia rutaecarpa", or "Tetradium ruticarpum", or "Wu Zhu Yu". "Chou La Zi Sh", "Qi La Zi", "Cha La", "Qu Yao Zi", etc. Leaves 5~11 leaflets, leaflets thin to thick papery, ovate, elliptic or lanceolate, 6~18 cm long, 3~7 cm wide, lower part of leaf axis, bilaterally symmetrical or lateral The base of the base is slightly skewed, full or shallowly wavy, and the leaflets on both sides and the leaf shafts are villous, densely mat-like, or only short hairs on both sides of the midrib, oil spots are large and numerous.
Inflorescences terminal; male inflorescences dissociated from each other, female inflorescences densely or dissociated; 5 sepals and petals, occasionally 4 and spur-arranged; male flower petals 3~4 mm long, ventral surface sparsely hairy, degenerate pistils 4-5 deeply lobed, lower and filaments white villous, stamens extending above petals; female flowers 4~5 mm in petal length, ventral surface hairs, staminodes squamous or striate or accompanied by subtle sterility Anthers, ovary, and styles distally sparsely hairy. Fruit sequence width 3~12 cm, fruit dense or alienated, dark purple, with large oil spots, 1 fruit per minute lobe; seeds nearly spherical, blunt at one end, ventral surface slightly flat, 4~5 mm long, brownish black, shiny. Its flowering period is from April to June, fruiting from August to November.
Ecological environment: The plant grows in the open forest or forest margin under the low elevation facing the sun. The plant distributes in the middle and lower reaches area of the Yangtze River, the Zhujiang river area, southwest, northwest area of China.
Growth characteristics: The plant Evodia rutaecarpa prefers a warm and humid climate, not tolerant to cold or dryness. It is advisable to cultivate on sandy soil and humus loam with abundant sunshine, deep soil, loose and fertile soil, and good drainage. Low-lying water-logged land is not suitable for cultivation.
Characters of herbs: Fruit globose or slightly pentagonal oblate globose, 2~5 mm in diameter. Surface dark green-yellow to brown, rough, with most of the point-shaped protuberance or concave under the oil point. Apex with a five-pointed stellate fissure, base with calyx and stalk, covered with yellow fuzz. It is hard and brittle. The aroma is rich, spicy and bitter. The herb shape full, the color green, aroma rich is better.
Pharmacological actions: The herb has an obvious anthelmintic action on porcine ascaris, has a different degree of inhibitory effect on dermatophytes such as Vibrio cholerae, Epidermophyton floccosum, and Odouin Bacillus spp, a large amount of Fructus Evodiae can stimulate the central nervous system, and can cause visual impairment, illusion and so on. Besides, there is analgesia, increase body temperature, slightly affect breathing and blood pressure, and other effects.
Medicinal efficacy: Disperse cold and relieve pain, warm the middle(warm the spleen and stomach), regulate Qi, soothing the liver and descending Qi, calm the adverse-rising energy and stop vomiting, eliminating dampness, supporting Yang and stop diarrhea. It is indicated for jueyin headache, cold hernia and abdominal pain, cold wet beriberi, cold syndrome of the spleen and stomach of deficiency type, vomiting and diarrhea, vomiting and acid swallowing, dysmenorrhea(abdominal pain during menstruation), epigastric distension pain, cold dampness and diarrhea, morning diarrhea, hypertension, externally for the treatment of mouth sores, beriberi, swollen and painful beriberi, colic, hernia, mouth sore and ulcer, toothache, eczema, impetigo(yellow fluid ulcers), etc.
Administration of Fructus Evodiae(Wú Zhū Yú):
Administration Guide of Fructus Evodiae(Wú Zhū Yú)
Internally:1.5~4.5 grams. Externally:proper amount.(CP), Internally:water decoction, 0.5~2 qian(about 1.5~6 grams), or prepare to pill, powder. Externally:steam and iron, grinded into fine powder, or wash with water decoction(DCTM), Internally:water decoction, 1.5~5 grams, or prepared to pill, powder. Externally:proper amount, grinded into fine powder, or wash with water decoction(CHMM).
(2).Evodia rutaecarpa(Juss.)Benth.var.officinalis(Dode)Huang.: Botanical description: The Evodia rutaecarpa(Juss.) Benth.var.officinalis(Dode)Huang., is a plant of the Rutaceae family and Tetradium genus, it is commonly known as "Evodia rutaecarpa(Juss.) Benth.var.officinalis(Dode)Huang.", or "Shi Hu(literally it means stone tiger)". This varietas is very similar to the Evodia rutaecarpa. Point of difference for the varietas: it has a special irritating odor. Leaflets 3-11, leaves are relatively narrow, oblong to narrowly lanceolate, apex acuminate or long acuminate, each separated by relatively small leaves alienation, lateral veins obvious, entire, both surfaces densely pubescent, veins densest, thick oil glands. Rachis often colorless or pale yellow villous. Ripe fruit species being less dense sequence. With blue-black seeds. Its flowering period is from July to August, fruiting period is from September to October.
Ecological environment: It grows in the hillside grass. It is distributed in the lower reaches area of the Yangtze River, Zhujiang river area, southwest area of China.
(3).Evodia rutaecarpa(Juss.)Benth.var.bodinieri(Dode)Huang.: Botanical description: The Evodia rutaecarpa(Juss.) Benth., is a plant of the Rutaceae family and Tetradium genus, it is commonly known as "Evodia rutaecarpa(Juss.) Benth.var.bodinieri(Dode)Huang.", or "Hairy Evodia", or "Mao Mai Wu Zhu Yu". This varietas is very similar to the Evodia rutaecarpa. Point of difference for the varietas: Branchlets sparsely hairy yellow or rust-colored silk quality. Rachis villous; 5~11 leaflets, leaf shape changed greatly, oblong, lanceolate, ovate-lanceolate, slightly upper surface veins sparsely short-haired, upper and lower veins pubescent, lateral veins clear, oil glands dots. Its flowering period is from July to August, fruiting from September to October.
Ecological environment: The plant grows on the side of the village, roadside, hillside grass. The plant distributes in the lower reaches area of the Yangtze River, the Zhujiang river area, southwest area of China.
1.Introduction of Wu Zhu Yu:Evodia Fruit or Fructus Evodiae.
2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).