Introduction of Wu Zhu Yu:Evodia Fruit or Fructus Evodiae.
✵The article gives records of the herb Evodia Fruit, its English name, Latin name, property and flavor, its botanical source three plant species, ①.Evodia rutaecarpa(Juss.) Benth., ②.Evodia rutaecarpa var.officinalis(Dode)Huang., ③.Evodia rutaecarpa var.bodinieri(Dode)Huang., with a detailed introduction to the botanical features of these three plant species, the growth characteristics, and ecological environment of these three plant species, the features of the herb Evodia Fruit, its pharmacological actions, medicinal efficacy, and administration guide.
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, 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: Herbal classic book 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 (rue, spurge olive family), Sapindales order. These 3 commonly used species are introduced:
Botanical description: The Evodia rutaecarpa(Juss.)Benth., is a plant of the Rutaceae family (rue, spurge olive 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 have 5~11 leaflets, leaflets are 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 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 are nearly spherical, blunt at one end, ventral surface is 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 is distributed 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: The fruit is spherical or slightly pentagonal oblate with a diameter of 2~5 mm. The surface is dark green-yellow to brown, coarse and rough, with many punctate protrusions or concave oil spots. There is a pentagram-shaped crack at the top, there are calyx and fruit stalks at the base, covered with yellow furry hairs. The texture of the herb is hard and brittle, and there are 5 ovary chambers in the cross-section, there is a pale yellow seed in each chamber. The herb has an aromatic fragrance, it tastes spicy and bitter. The herb of better grade is full, green, and strong fragrance.
Pharmacological actions: ①.anthelmintic action on porcine ascaris; ②.inhibitory effect on dermatophytes such as Vibrio cholerae, Epidermophyton floccosum, and Odouin Bacillus spp; ③.stimulate the central nervous system, and can cause visual impairment, illusion and so on; ④.analgesia; ⑤.increase body temperature; ⑥.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)
①.Internally:1.5~4.5 grams. Externally:proper amount; ②.Internally:water decoction, 0.5~2 qian (about 1.5~6 grams), or prepare to pill, powder. Externally:steam and iron, prepare to finely ground herb powder, or wash with water decoction; ③.Internally:water decoction, 1.5~5 grams, or prepared to pill, powder. Externally:proper amount, prepare to finely ground herb powder, or wash with water decoction.
Precautions and Adverse Reactions: the herb Fructus Evodiae should not be combined with Radix Salviae Miltiorrhizae, Chalk, Fluoritum, etc.
Botanical description: The Evodia rutaecarpa(Juss.) Benth.var.officinalis(Dode)Huang., is a plant of the Rutaceae family (rue, spurge olive 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 is acuminate or long acuminate, each separated by relatively small leaves alienation, lateral veins are obvious, entire, both surfaces are densely pubescent, veins are densest, thick oil glands. Rachis is 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.
Botanical description: The Evodia rutaecarpa(Juss.) Benth., is a plant of the Rutaceae family (rue, spurge olive 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 are sparsely hairy yellow or rust-colored silk quality. Rachis is villous; 5~11 leaflets, leaf shape changed greatly, oblong, lanceolate, ovate-lanceolate, upper surface veins are sparsely short-haired, upper and lower veins are pubescent, lateral veins are 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 is distributed in the lower reaches area of the Yangtze River, the Zhujiang river area, southwest area of China.
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1.Introduction of Wu Zhu Yu:Evodia Fruit or Fructus Evodiae.