Channels/Meridians: Kidney, Lung, Spleen. List of various diseases cured by Dioscorea Nipponica. Dioscorea is a genus of flowering plants, and some Dioscorea species are known and used as a source for the steroidal sapogenin diosgenin. 山藥 Dioscorea (Shanyao) /Chinese Yam. Chinese yam (Dioscorea polystachya or Dioscorea batatas) is an ornamental vine that is native to Asia. is widely used as functional foods and traditional Chinese medicine in China for its activity of regulating function of spleen and stomach. (Dioscoreaceae), has been used as an important invigorant in traditional Chinese medicine (TCM) for many years. Dioscorea is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. Chinese yam can be used in diabetes, diabetic insipidus, or hyperthyroidism individuals who present with yin deficient symptoms. Only ... 3 Wild Yam Plant Wild Yam Roots Rhizomes Fresh Transplant Organic Medicinal Herb Dioscorea villosa Shade Garden Plant Rootstock Perennial RootsOfTheRidges. ), allergies, pre-existing diseases, and current health conditions (e.g. Dioscorea oppositifolia ingår i släktet Dioscorea och familjen Dioscoreaceae. The delicious underground and ariel tubers that double as nutrient rich tonic. normalizes the hypertension in 2K1C hypertensive rats. Dioscorea batatas is a PERENNIAL growing to 3 m (9ft) by 1.5 m (5ft). (botanical-online.com)Other components in the product are Wild yam ( dioscorea opposita thunb) androgenic action.Without a doubt, DecaDuro is the most popular herbal option to the steroid Nandrolone (Deca Durabolin) in the grow as one of the most popular sport. Carbohydrate Lab, School of Food Science and Engineering, South China Univ. 1 D. opposita Thunb. In TCM, the vagina belongs to part of the genitalia and is mainly supported by the spleen and kidney. It grows up to 12 M. Best used for Cough. It was introduced in Europe in the 19 th century when the potato crop was affected by disease. 4: Leaflets often more than 3, pinnately veined with 1 midvein; male flowers with 3 stamens and 3 staminodes : 6 Dioscorea sect. The net weight of the Extract Powder is listed with the herb name. Add to Cart. dioscorea opposita thunb. pregnancy, upcoming surgery, etc. Chinese yam reinforces the consolidating and grasping actions of kidney, Chinese yam invigorates spleen and kidney. 10 Chinese Wild Yam, Dioscorea opposita Aerial Tubers / Cinnamon Vine / Shan Yao / Bulbils / Yamberries aka Batatas / polystachya, perennial InterwovenFarm. Clinically, it is usually combined with herbs like pilose asiabell root, largehead atractylodes rhizome, poria, lotus seed, hyacinth bean and euryale seed in the remedies. ).Some health conditions may make you more susceptible to the side-effects of the drug. 2018 Jan 12;8(1):e4. Dioscorea opposita Thunb. For asthmatic conditions that resulted from kidney and lung deficiencies, Chinese yam can be used with processed rehmannia root, cornus fruit, Asian ginseng and schisandra to reinforce the organs, and consolidate qi and arrest asthmatic symptoms. Orally, the usual dose is 15-30g, it can be up to 60-250g if necessary. It grows in a tropical climate. List of various diseases cured by Yam Rhizome. Chinese yam in raw form is suggested for nourishing yin, when stir-fried with bran, it can invigorate spleen and arrest diarrhea. All of them provide cultivated herbs. Botanical Name: Dioscorea opposita rhizome. Shan Yao (Dioscorea opposita)(rhizome) S0140-EF by E-Fong. Common Name Chinese yam, Dioscorea Source of Earliest Record Shennong Bencao Jing Part Used & Method for Pharmaceutical Preparations The rhizomes are dug in the period of Frost's Descent (eighteenth solar term). Price: $19.65 + $7.35 shipping 100g(3.5oz) of the concentrated granules extracted from 500g of the raw herbs. , The plant previously called D. opposita is now considered to be the same species as D. For spleen deficiency conditions such as general weakness, poor appetite, loose bowels and child indigestion, Chinese yam can be used alone, being a tonic or simply adding in diet. Chinese yam, namely Dioscorea opposita rhizome, is a kind of. Identified Active Components / Major Chemical, Adverse Effect, Side Effects and Cautions. http://www.tcmlib.com/zy/html23/showdetail-323237322ce5b1b1e88daf2c7a79.html. Dioscorea opposita cultivar Guihuai 16 was planted in April at the farm of Guangxi University in Nanning, Guangxi Province, China (22°53â²06.7ãN 108°21â²36.6ãE). Polysaccharides may contribute to the function of regulation. ex Griseb. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). BMC Complement Altern Med 14:36 PubMedCentral CrossRef PubMed Google Scholar Chinese yam is mainly produced in Henan province; other regions like Hunan, Jiangxi, Guangdong and Guangxi provinces are also produced. Background: Dioscorea opposita is a monocotyledonous plant in the Dioscoreaceae family. Despite a long history of cultivation, the understanding of D. opposita genetics and molecular biology remains scant, which has limited its genetic improvement. was one of the most important substance with food and pharmaceutical functions. Das Rhizom der Lichtwurzel wird als getrocknete Droge âRhizoma Dioscoreaâ genannt. ).Some health conditions may make you more susceptible to the side-effects of the drug. Dioscorea oppositifolia is a type of yam (Dioscorea) native to Myanmar (Burma) and to the Indian Subcontinent (India, Sri Lanka, Bangladesh). When the vaginal discharge is yellowish, thick and foul smelling, then amur corktree bark and sopora root are added in to expel the damp and heat pathogens in the lower burner. Xu YY, Yin J. Samanta, A.K. METHODS: Determined the contents of 6 qualitative indexes in samples of Rhizome of D. persimilis Prain et Burk that were cultivated in Yongning, Bobai, Beiliu, Guiping and Rongxian of Guangxi and in sample of Rhizome of Dioscorea opposita Thunb, that was cultivated in Wenxian, Henan province. The health benefits of Dioscorea are many including benefits in rheumatoid arthritis, muscular rheumatism, cramps and intermittent claudication, cholecystitis, dysmenorrhoea, ovarian and uterine pain. The rhizome of D. opposita, known as âdioscoreae rhiaomaâ or âChinese yamâ, is not After the rough bark has been removed, the rhizomes are cleaned and dried in either the … By Biao Zhang, Ke Guo, Lingshang Lin and Cunxu Wei Cite Chinese yam ( Dioscorea opposita ) is an important tuberous crop used for both food and medicine. Dioscorea opposita Thunb. Dioscorea is a genus of flowering plants, and some Dioscorea species are known and used as a source for the steroidal sapogenin diosgenin. When the individual has coughing with bloody sputum, it can be treated by Chinese yam along with American ginseng, llily bulb, dwarf lily-turf tuber, anemarrhena rhizome, rehmannia root and donkey-hide gelatin. Dioscoreae (Chinese name Shanyao), the rhizome of various species of genus Dioscorea opposita Thunb. Chinese Wild Yam plant, Dioscorea opposita. Tubers of Dioscorea cayennensis Lam. It can be eaten raw or cooked, and can be purchased fresh or dried as an herb. Names of Dioscorea Nipponica in various languages of the world are also given. In severe cases that have excessive thirsty and frequent urination, gypsum and golden thread rhizome are added to enhance the overall effects. Quantity. It is hardy to zone (UK) 5. The vast majority of the species are tropical, with only a few species extending into temperate climates. Before using Dioscorea Opposita, inform your doctor about your current list of medications, over the counter products (e.g. From shop FloraNFaunaFarm. Chinese yam (Dioscorea polystachya or Dioscorea batatas) is an ornamental vine that is native to Asia. Dioscorea decaisneana Carrière Dioscorea doryphora Hance Dioscorea swinhoei Rolfe Dioscorea rosthornii Diels Dioscorea potaninii Prain & Burkill Dioscorea pseudobatatas Herter Dioscorea polystachya or Chinese … Uses, Benefits, Cures, Side Effects, Nutrients in Yam Rhizome. In its dried or powdered form, however, it is used frequently in traditional Chinese medicine. offered on the site come in multiple forms such as capsules, powders, and tablets to suit the needs of children and adults alike. Dioscorea is the dried rhizome of several species of Dioscorea like D. villosa, D. prazeri Prain and Burk; D. composite; D. spiculiflora; D. deltoidea and D. floribunda, belonging to family Dioscoreaceae. Amazon.com : Garden Flower Plant Seeds 5Pcs Chinese Yam Seed Dioscorea Opposita Common Yam Rhizome Garden Decor : Garden & Outdoor Otherwise known as the Chinese yam, dioscorea opposita is an edible root vegetable used in a variety of Asian dishes. Part(s) of herb used: Rhizome: Geo-specific habitat(s): Henan, Hunan, Jiangnan: Taste(s) & Properties: • Sweet • Neutral Chinese yam nourishes the lungs and replenishes qi. how to get him out of this?" OBJECTIVE: To evaluate the quality of Rhizome of D. persimilis Prain et Burk. (#11618, 11619), along with rhizomes of Dioscorea caucasica Lipsky (# 9169, … Names of Yam Rhizome in various languages of the world are also given. vitamins, herbal supplements, etc. Comparison of Structural and Functional Properties of Starches from the Rhizome and Bulbil of Chinese Yam (Dioscorea opposita Thunb.) Hypoglycemic Effect of Chinese Yam (Dioscorea opposita rhizoma) Polysaccharide in Different Structure and Molecular Weight Qian Li. Since the curative effects of Chinese yaw is mild, it usually acts as an associate ingredient, cannot exerts the major and leading effects in a formula. White, cinnamon scented flowers compel you into the garden at dusk and dawn. climbing vine native to China that is currently widespread throughout East Asia $84.00 $105.00 Free Shipping. Dioscorea opposita in Traditional Chinese Medicine Background. Package Size: 500 Grams ( 1.1 pounds) Form: Powder - Fine powder 80 to 100 … Methods: The activity of the yam was investigated by the uterine weight gain of mice and a proliferation assay of breast cancer cell lines (MCF-7 cell); the estrogenic activity was comprehensively evaluated by a serum pharmacology experiment. "The genus Dioscorea L. in Darjeeling and Sikkim Himalayas - a census". Product Code: MW4220C UPC Code: 739934942208 This product is sold in 5:1 CONCENTRATED EXTRACT POWDER form. Primarily, dioscorea opposita is believed to increase and stabilize the qiand yinof the stomach, lungs, spleen, and kidney. research studies June 17 2015. Graded alcohol precipitation was used to extract Dioscorea opposita polysaccharide samples (S1, S2, S3 and S4). of Technology, Guangzhou 510640, P.R. Chinese yam aids lung yin and kidney yin. Before using Dioscorea Opposita, inform your doctor about your current list of medications, over the counter products (e.g. Fenbixie, Rhizoma Dioscoreae hypoglaucae, is the dry rhizome of D. hypoglauca Palibin collected in the fall and winter and used against rheumatic diseases. This is beneficial to excessive vaginal discharge in women, in which Chinese yam is used with largehead atractylodes rhizome, poria and euryale seed. non Thunb. ★【Garden seeds】Chinese Yam Seed Dioscorea Opposita Common Yam Rhizome, grow a garden filled with wildflowers that will add color, active movement and beauty to your home garden. Dioscorea oppositifolia  är en enhjärtbladig växtart som beskrevs av Carl von Linné. Showing all 5 results. Dioscorea opposita Thunb. Despite a long history of cultivation, the understanding of D. opposita genetics and molecular biology remains scant, which has limited its genetic improvement. Xu YY, Yin J. Chinese yam invigorates the spleen to promote qi production.  However Dioscorea polystachya is often incorrectly called Dioscorea opposita as well. Chinese yam ( Dioscorea opposita = Dioscorea batatas Dioscorea divaricata) . that are suitable for your necessities because they come in different sizes and packaging designs. Identification of a thermal stable allergen in yam (Dioscorea opposita) to cause anaphylaxis. "The flowering plants of Mt. Active components in Chinese yam include mucopolysaccharides, diosgenin, allantoin, batatasin I, saponins, dopamine, essential amino acids, flavonoids, and amylase. 2017 Oct;82(10):2487-2494. doi: 10.1111/1750-3841.13919. (2006). This is beneficial to excessive vaginal discharge in women, in which Chinese yam is used with largehead atractylodes rhizome, poria and euryale seed. Dioscorea Opposita is the Chinese wild yam which can be eaten raw. Related WordsSynonymsLegend: Switch to new thesaurus Noun 1. Hypoglycemic Effect of Chinese Yam (Dioscorea opposita rhizoma) Polysaccharide in Different Structure and Molecular Weight J Food Sci . Diosgenin is a steroidal saponin, which is extracted from the root of Wild Yam (Dioscorea villosa) and other species. This is in the yam family, and the herb is sometimes simply referred to as "Chinese yam." ), allergies, pre-existing diseases, and current health conditions (e.g. Pharmaceutical Name: Rhizoma Dioscoreae Botanical Name: Dioscorea opposita Thunb. This work presents a de novo transcriptome sequencing analysis of microtuber formation in D. opposita. The plant is not self-fertile. Asia Pac Allergy. Tonifies the Qi and Yin of the Spleen and Stomach For Deficiency of the Spleen and Stomach with lack of appetite and energy, loose stools, spontaneous sweating, abdominal distention after eating, and a pale tongue. Uses, Benefits, Cures, Side Effects, Nutrients in Dioscorea Nipponica. Shanyao, Rhizoma Dioscoreae, is the dry rhizome of Dioscorea opposita Thunb. Chinese yam Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Monocots Order: Dioscoreales Family: Dioscoreaceae Genus: Dioscorea Species: D. polystachya Binomial name Dioscorea polystachya Turcz. In TCM : Dioscorea Nipponica Rhizome : Chuan Shan Long Meridians associated : Stomach and Liver ), which is commonly called Huai Shan Yao in Chinese, were evaluated against yeast α-glucosidase in order to search for the active principals for treatment of diabetes.Bioassay-guiding isolation gave four compounds: trans-N-p-coumaroyltyramine … View abstract. Diosgenin is a steroidal saponin, which is extracted from the root of Wild Yam (Dioscorea villosa) and other species. When the vaginal discharge is yellowish, thick and foul smelling, then amur corktree bark and sopora root are added in to expel the damp and heat pathogens in the lower burner. pregnancy, upcoming surgery, etc. . (skepticaldan.com) Herb: Chinese Yam Latin name: Dioscorea batatas Synonyms: Dioscorea opposita, Dioscorea polystachya Family: Dioscoreaceae (Yam Family) Medicinal use of Chinese Yam: The Chinese yam, called Shan Yao in Chinese herbalism, is a sweet soothing herb that stimulates the stomach and spleen and has a tonic effect on the lungs and kidneys. Chinese Yam (also called dioscorea opposita, or nagaimo) is the swollen rhizome of a yam plant native to China that is also grown in Korea and Japan. Rhizoma Rhizome Factory Supply Rhizoma Atractylodis Macrocephalae Big Head Atractylodes Rhizome White Atractylodes Rhizome . You will always find dioscorea opposita thunb. Govaerts, R., Wilkin, P. & Saunders, R.M.K. Since Asian people prefer it a lot, it is still grown in France and sold to the Asia market. Chinese Herb Actions. Chinese yam is mainly used in spleen and stomach weakness, poor appetite, diarrhea and excessive vaginal discharges. After the rough bark has been removed, the rhizomes are cleaned and dried in either the sun or the shade. There were many D. opposita Thunb. Hypoglycemic Effect of Chinese Yam (Dioscorea opposita rhizoma) Polysaccharide in Different Structure and Molecular Weight J Food Sci . Other Ingredients: None, nothing has been added to this product. Physicians will prescribe a very high dose when using alone. We assembled cDNA libraries from different stages during the process of microtuber formation, designated as initial explants (EXP), axillary bud pro… It is named by the monk Charles Plumier after the ancient Greek physician and botanist Dioscorides Methods: The activity of the yam was investigated by the uterine weight gain of mice and a proliferation assay of breast cancer cell lines (MCF-7 cell); the estrogenic activity was comprehensively evaluated by a serum pharmacology experiment. cultivar Shuishanyao) were obtained from a local natural food market (Yangzhou City, China) in December 2016. Dioscorea opposita Thunb. vitamins, herbal supplements, etc. Dioscorea Nipponica is a plant. By far the most common is Dioscorea opposita (= Dioscorea batatas), for which the rhizome (tuber) is used; it is called shanyao (mountain herb). Hardy in most areas of mainland Australia. It can be used alone in large doses for this purpose. , For the more widely cultivated yam (D. polystachya) often mislabeled D. oppositifolia or D. opposita, see. opposita. Die stimmulierende und anregende Wirkung der Lichtwurzel auf unsere Meridiane ist seit altersher bekannt (Energiebahnen im Körper durch die in der TCM die Energie des Qi fließt). Plant materials. Peeled rhizome. "Hi my brother is addited to spasmo proxyvon for past 12 years . polystachya. Shan Yao, Dioscorea opposita rhizome, 5:1 Extract Powder, 100 grams. (# 9462, 9166, 11612), Dioscorea rotundata Poir. Leaves mostly simple; if compound leaves present then rootstock a horizontally spreading rhizome, basal leaves sometimes simple, and seeds inserted near middle of capsule and winged all round. (Dioscoreaceae) collected in winter and used mainly for treatment of diarrhea, asthma, polyuria, and diabetes. Dioscorea oppositifolia is a type of yam (Dioscorea) native to Myanmar (Burma) and to the Indian Subcontinent (India, Sri Lanka, Bangladesh). The fresh rhizome and bulbil of Chinese yam (Dioscorea opposita Thunb. research studies June 17 2015. cultivars planted in China â¦ he is taking around 20-30 tablets a day. This study investigated the chemical components and rheological properties of polysaccharides from Dioscorea opposita Thunb. (# 9464, 9165), Dioscorea bulbifera L. (# 11609), Dioscorea deltoidea Wall. Common Name: Chinese yam, Dioscorea Source of Earliest Record: Shennong Bencao Jing Part Used: The rhizomes are dug in the period of Frost’s Descent (eighteenth solar term). In TCM, the body's physical forms pertain to yin. Chinese yam is neutral in nature, sweet in flavor, and mainly manifests its therapeutic actions in the. Its healthy tubers germination, planting patterns and tuber growth stages were consistent as described by Gong [ 2 ] â¦ Kidney deficiency causes seminal emission, Chinese yam is used with processed rehmannia root, cornus fruit, euryale seed and lotus seed; kidney yang deficiency causes urinary frequency or incontinence, Chinese yam can be used with spicebush root and sharpleaf glangal fruit. After the rough bark has been removed, the rhizomes are cleaned and dried in either the sun or the shade. Botryosicyos + Measurements of Soluble Sugar and Starch Contents in Rhizome and Bulbil 5 out of 5 stars (56) 56 reviews $ 10.99. oppositifolia. 3.2. 95 ($11.48/Fl Oz) How Yam Rhizome is effective for various diseases is listed in repertory format. (2007). 2018 Jan 12;8(1):e4. Popa, central Myanmar - Results of Myanmar-Japanese joint expeditions, 2000-2004". Common Yam Rhizome; Herb name (Chinese): 山药: Herb name (Pin Yin): shān yào: Herb name (English): Common Yam Rhizome: Herb name (Botanical): Rhizoma Dioscoreae: Origin of species: Dioscorea opposita Thunb. traditional Chinese medicine (TCM) for a long time on the treat- twining vine native to the central southeastern US and found less frequently in the Appalachian region Shan Yao, Chinese Yam (Dioscorea Opposita) Tincture, Dried Root Liquid Extract, Shan Yao, Glycerite Herbal Supplement 2 Oz 5.0 out of 5 stars 3 $22.95 $ 22 . Several species are widely cultivated in many cultivars (including Dioscorea alata D. esculenta D. japonica and D. polystachya), while other, wild species are valuable famine foods. Qianqian Guan, Hua Li, Yuting Qi, Wenlong Zhang, Lina Liu, Bin Qiu, Wei Liu, Min Jia, Tongcheng Xu, Aizhen Zong, Changes in physicochemical properties and digestive characteristics of yam ( Dioscorea opposita Thunb.) The inhibitory activities of crude extracts and purified constituents from the fresh tuberous rhizomes of Chinese Yam (Dioscorea opposita Thunb. It can be used alone in large doses for this purpose. (#11614), tubers of Dioscorea quaternata Walter (#11616), Dioscorea spp. is also known as Shan-yao, Light Root and Cinnamon Yam. of the family Diosoreaceae. From shop InterwovenFarm ... 5 Wild Yam Plant Wild Yam Roots Rhizomes Fresh Transplant Organic Medicinal Herb Dioscorea villosa Shade Garden Plant Rootstock Perennial RootsOfTheRidges. Chinese Yam has a blend, sweet taste. Other conditions such as chronic coughing due to lung weakness; or kidney weakness that leads to nocturnal emission, urinary frequency, excessive thirst or hunger are also indicated. For deficiency of lung qi that leads to breath shortness, general weakness, and a feeble voice, it is suitable to use Chinese yam along with herbs like pilose asiabell root, astragalus root, largehead atractylodes rhizome, tangerine peel and schisandra for relief. Common Name Chinese yam, Dioscorea Source of Earliest Record Shennong Bencao Jing Part Used & Method for Pharmaceutical Preparations The rhizomes are dug in the period of Frost's Descent (eighteenth solar term). The rhizome of the perennial herbaceous trailing plant Dioscorea opposita Thunb. However, this makes it a popular dietary ingredient or tonic among the general public. Dioscorea oppositifolia is the present name for this species, Dioscorea opposita is an older synonym. 2017 Oct;82(10):2487-2494. doi: 10.1111/1750-3841.13919. Dioscorea root extract benefit and side effects by Ray Sahelian, M.D. The name Chinese yam is also used for an important food crop, Dioscorea polystachya, formerly Dioscorea batatas, which still leads to much confusion. Dioscorea is a genus of great economic value, including important food plants. Background: The aim of this study was to explore the estrogenic effects of the extracts from Chinese yam and its effective compounds. When the herb combines with astragalus root, anemarrhena rhizome, kudzu root and snakegourd root, the results will be better. It is in flower from September to October. The monosaccharides, amino acid content and molecular weight of each sample were measured and compared. View abstract. Chinese yam (Dioscorea opposita) is an important tuberous crop used for both food and medicine. US $4.83-$5.80 / Kilogram ... Touchhealthy supply shan yao/Dioscorea opposita slice/RHIZOMA DIOSCOREAE slice for sales . "World Checklist of Selected Plant Families, entry for, "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew", https://en.wikipedia.org/w/index.php?title=Dioscorea_oppositifolia&oldid=971236090, Plants used in traditional Chinese medicine, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 August 2020, at 22:42. Dioscorea opposita Seedling in 4" Pot - Air Potato - Yamberries - Chinese Yam FloraNFaunaFarm. Asia Pac Allergy. Synonyms Dioscorea batatas Decne. Identification of a thermal stable allergen in yam (Dioscorea opposita) to cause anaphylaxis. Chinese Yam Seed E97, 6 Seeds Dioscorea Opposita Common Yam Rhizome: Home Décor: Amazon.com.au (# 9463, 9167), Dioscorea opposita Thunb. Rating Content; Negative: On Mar 26, 2019, vbinsc from Beaufort, SC wrote: Firstly, the … common commercial food in China which also has been used as. It is smaller than the African yam. Dioscorea root extract benefit and side effects by Ray Sahelian, M.D. Pin Yin Name: Shan Yao. How Dioscorea Nipponica is effective for various diseases is listed in repertory format. China. Background: The aim of this study was to explore the estrogenic effects of the extracts from Chinese yam and its effective compounds. Amat N, Amat R, Abdureyim S, Hoxur P, Osman Z, Mamut D, Kijjoa A (2014) Aqueous extract of Dioscorea opposita Thunb. It is perennial. as a synonym of D.   Inga underarter finns listade i Catalogue of Life. Chinese Herb Actions. (2006). Tonifies the Qi and Yin of the Spleen and Stomach For Deficiency of the Spleen and Stomach with lack of appetite and energy, loose stools, spontaneous sweating, abdominal distention after eating, and a pale tongue. This work presents a de novo transcriptome sequencing analysis of microtuber formation in D. Researches have showed that Chinese yam can affect the sugar metabolism, regulate immune functions, anti-aging, and promote the digestive functions of stomach and intestines. Germination Seeds PLATFIRM-Chinese Yam Seed E97, 6 Seeds Dioscorea Opposita Common Yam Rhizome: Home Décor: Amazon.com.au Tanaka, N., Koyama, T. & Murata, J. Botanical works that point out that error may list, e.g., Dioscorea opposita auct.