For a list of references used on this page please go here, how do we micropropagate this plant It grows well in the temperate regions of Kashmir and Himachal Pradesh. It is a perennial climber growing to 3 m. The plant prefers sandy, loamy and clay soils and requires well-drained soil. It had been revealed that studied cultures of cells of Dioscorea deltoidea Wall (producer of furistanol glycosides), Stephania glabra (Roxb.) Chemically it contains 75% of starch including diosgenin, sapogenase an enzyme. Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Dioscorea batatas is a PERENNIAL growing to 3 m (9ft) by 1.5 m (5ft). 22 Dec. Unrestrained illegal trade . with help from A decoction made from the leaves of Dioscorea deltoidea (kraeth) is used as eyedrops to treat infections and sharpen eyesight. The substrate you need to use for the germination of this plant’s seeds is the same one used for Cacti. by tuber and nodal segment culture, in vitro tuberization, shoot tip culture, somatic embryogenesis and calli subculture is briefly discussed. It is unlikely to succeed in any but the mildest areas. The plant is not self-fertile. More >>>. Ajna Fern SUMMARY The present paper deals with chromosomes of Dioscorea deltoidea 2n = 20 and its induced tetraploid from 2n = 40. Known hazards of Dioscorea deltoidea: Edible species of Dioscorea have opposite leaves … Please donate to support our ‘Plants to Save the Planet’ Project. 2. it is mainly found growing in North Western Himalayas from Kashmir and Punjab to Nepal and China.Also found in U.A.S. Dioscorea consists of the dried tubers of a number of wild and cultivated Dioscorea species like D. deltoidea Wall, D. prazeri Prain, D. floribunda Mart and D. composite. 3. Dioscorea Dioscorea composita 6. Dioscorea alata Linn. Lipsky, A. If you have questions about a plant please use the Forum on this website as we do not have the resources to answer questions ourselves. 47. 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). Ken Fern, For more information about QR Codes click here. 7. Dioscorea deltoidea is belongs to family Dioscoreaceae which produce rhizomes or bulbils, having rich medicinal and economic value. Dioscorea deltoidea is a perennial Climber found in areas such as E. Asia - Himalayas from Kashmir and Punjab eastwards to Nepal and China. Broad-leaved forests and scrub forests at elevations of 2000 - 3100 metres in western China. Cultivation and Propagation: Dioscorea sylvatica responds well to cultivation and makes an easy and wonderfully unusual houseplant. Russian journal of plant physiology 6; Applied biochemistry and microbiology 3; Chemistry of natural compounds 2; Plant cell reports 2; Acta horticulturae 1; more Journal » Publication Year. . cells of the strain IFR-DM-0.5 has been investigated. Plants produce tubercles (small tubers that are formed in the leaf axils of the stems), and can be propagated by this means[K]. Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Known Hazards Edible species of Dioscorea have opposite leaves whilst poisonous species have alternate leaves The roots of most, if not all, members of this genus, contains diosgenin[222, 240]. A preliminary report on the domesitic cultivation experiment of Dioscorea deltoidea. See notes below on other uses of the root and above on toxicity. East Indies. Dioscorea deltoidea: Family: Dioscoreaceae (Yam Family) The juice of the root tuber is taken in the evening in the treatment of roundworm. 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). Plant Science Letters. QR Codes are barcodes that can be read by mobile phone (smartphone) cameras. We will not sell or share your email address. Dioscorea decaisneana Carr. World Checklist of Dioscoreales. Synonym is Yam, Rheumatism root. The root is edible and was introduced into France as a garden plant but is now forgotten, although it is perhaps valuable. : agroecosystems of perennial plants, to choose the most appropriate plants for their requirements and site conditions. Dioscorea deltoidea Wall. Keyword: Dioscorea deltoidea, FYM, Spacing, Biomass, Diosgenin. 1. If you would like to support this site, please consider. They have been selected to provide a mix of different plant sizes and growing conditions. At pH i 3.50 the lag phase of growth and respiration was about 24 h. Within the pH i-range of 4.30–6.15 no lag phase was observed, growth and respiration being similar. Cultivation and Collection . • Not to be confused with a) Sweet potato or ratalu, shakarkand (Hindi) b) Jimikand or suran (Hindi) • According to Ayurvedic Pharmacopoeia, "ratalu“ (Bengali) is Dioscorea bulbifera. It is a multi species tuber crop distributed in Africa, Asia, parts of South America, South pacific islands and in ... commercial cultivation in India. Dioscorea deltoidea is a perennial rhizomatous climber which grows wild in moist and shady sites such as mixed coniferous forests in the NW mountain ranges of Pakistan. A member Dioscorea deltoidea is a perennial Climber found in areas such as E. Asia - Himalayas from Kashmir and Punjab eastwards to Nepal and China. Sugar‐limited batch growth of Dioscorea deltoidea and Catharanthus roseus plant cell cultures was studied in a 14‐L stirred tank fermentor. Kh., Chernyak, N. D. and Butenko, R. G. (1983). Ethno botanical and ethno medicinal uses: 2-3 gm of rhizome is given orally to get relief from snake bite. Smartphone users scan the QR Code which automatically takes them to the webpage the QR Code came from. The plant is not self-fertile. Intoxicating Yam is a twining vine, arising from tuberous roots, and reaching a length of several meters. Applied Biochemistry and Microbiology. In this paper, the ultrasound assisted extraction method for isolation of steroidal glycosides from D.deltoidea plant cell suspension culture with a subsequent HPLC-MS determination was developed. BOX 1 D. deltoidea. It is in flower from September to October. Changes in culture medium pH by cell suspension cultures of Dioscorea deltoidea. • Dioscorea species are true yams. Cultivation of trees The deciduous natural medicinal plants require more than … Cultivation as intercropping in various cropping system Various medicinal plants , keeping in view their growth habit can be inter cropped in orchids, forest and with major crops . document.write(s); This is a QR code (short for Quick Response) which gives fast-track access to our website pages. Richard Morris. The cost of cultivation is, however, much less during the second year. IUCN Red List of Threatened Plants Status : Growth: S = slow M = medium F = fast. Division in the dormant season, never when in growth[1]. The emulsion of this plant in water is an integral part for making gripe water used to improve digestion and to control vomiting in children. * Important announcements and news Medicinal and aromatic crops are generally adapted to a wide range of soil texture and pH. We have very little information on this species and do not know if it will be hardy in Britain. Its rhizomes contain 4-6% sapogenin convertible to 3-4% diosgenin which is used in steroid drug manufacture. Biotechnol Bioeng 28: 1555–1563 PubMed CrossRef Google Scholar Drapeau D, Sauvaire Y, Blanch HW, Wilke CR (1986b) Improvement of diosgenin yield from Dioscorea deltoidea plant cell cultures by use of a non-traditional hydrolysis method. Problems arising out of rapid genetic loss of medicinal plants forced the need for international co-operation and co-ordination to undertake programmes for ... and Dioscorea AP becomes maximum during reproductive phase and harvests are Cultivation and Collection . This QR Code is unique to this page. Last update on 2019-08-24: Now containing 8457 plants. Type a value in the Celsius field to convert the value to Fahrenheit: Plants For A Future have a number of books available in paperback and digital form. and Cymbopogon spp., high fertility soil and liberal irrigation will be necessary for successful growth of plantation. The database and code is licensed under a Some caution is advised. • Dioscorea species are true yams. Habitat: Climber. Easily grown in a fertile well-drained soil in a sunny position or light shade[200]. You can use the Cacti substrate bought in stores, or you can make one yourself. ... , Institute of Plant Physiology, The USSR Academy of Sciences, Moscow* Abstract. * Please note: the comments by website users are not necessarily those held by PFAF and may give misleading or inaccurate information. Citation in PubAg 23; Journal. E. Asia - Himalayas from Kashmir and Punjab eastwards to Nepal and China. 14-50-00029). These are harvested in late summer and early autumn when about the size of a pea and coming away easily from the plant. pH: A = acid N = neutral B = basic (alkaline). Edible Shrubs provides detailed information, attractively presented, on over 70 shrub species. These are used as contraceptives and in the treatment of various disorders of the genitary organs as well as in a host of other diseases such as asthma and arthritis[222]. Cultivation of high-value herbal species as alternative cash crops by local communities, has potential however as an alternative channel of supply. Prefers a rich light soil[1]. 35(3): 207-212. Estimation of biomass amounts during the submerged cultivation of Dioscorea deltoidea Wall. The inflorescence is a raceme of … Cultivation: A free-draining sandy soil rich in humus suits these plants. Most provide delicious and nutritious fruit, but many also have edible leaves, seeds, flowers, stems or roots, or they yield edible or useful oil. Cultivation Details Plants grow best in lowland tropical areas with a temperature around 26 - 34°c; a well-defined dry season of 2 - 5 months; and a total rainfall of 1,300 - 1,700mm evenly distributed throughout the remainder of the year[ The effect of initial pH of the culture medium (pH i) on growth, changes in pH of culture medium (pH c) and respiration of Dioscorea deltoidea cells was studied in cycle of batch cultivation. It is in flower from September to October. D.dumetorum. The roots of this species contain an average of 4.8% diosgenin[240]. Dioscorea deltoidea is an endangered species belonging to family Dioscoreacea, It produce rhizomes or bulbils which is rich in sapogenin steroidal compounds. Light or sandy soils require heavy irrigation and fertilization whereas heavy clay soils restrict tuber growth and harvest and often create water-logging. 600 species and is divisible into numerous sections according to stem twining, leaf morphology, inflorescences, seed wings, bulbil formation, tuber morphology and chemical content. Introduction Dioscorea species belongs to family dioscoreaceae. Known hazards of Dioscorea deltoidea: Edible species of Dioscorea have … (b) Dioscorea deltoidea (c) Aloe barbadensis (d) Gnetum montanum. Yang LY, Xu ZZ, Chen C, Lv LF, Zhao Q, Yuan LC. Prick out the seedlings as soon as they are large enough to handle and grow on in a greenhouse for their first year. The roots of most, if not all, members of this genus, contains diosgenin. If you have any useful information about this plant, please leave a comment. The production of Dioscorea spp. The position of D. deltoidea in relation to other rhizomatous species of Dioscorea of Asia and Europe and to the-tuberous yams in cultivation is presented. It requires moist soil. They should be potted up immediately in individual pots in a greenhouse or cold frame. Basal stem cuttings in the summer[37]. 318, 1-5, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Brief description: Leaves alternate, simple; stem light brown to purplish brown; rhizomes horizontal, ginger shaped. 48. The . Moisture: D = dry M = Moist We = wet Wa = water. web interface by Edible species of Dioscorea have opposite leaves whilst poisonous species have alternate leaves[174]. Cultivation of the herb: Forests and humus-rich soils, 1700 - 2800 metres in Kashmir. Broad-leaved forests and scrub forests at elevations of 2000 - 3100 metres in western China[266]. Biological status: Not known. You will receive a range of benefits including: Dioscorea can be grown in several types of soils. Recommended articles Citing articles (0) References. Le genre Dioscorea fut nommé par Charles Plumier pour honorer la mémoire de Dioscoride [1]. It is commonly harvested from the wild for this compound and also sometimes cultivated in countries such as Vietnam and Russia. Dioscorea tomentosa - Muséum de Toulouse. Chinese Yam. 1. should be harvested only after three years to get the optimum yield from the crop with the maximum diosgenin content. The plant is sometimes used locally as a medicine, hair wash and food, but it is mainly of importance as a source of the medically active compound diosgenin. Also found in U.A.S. Dioscorea deltoidea is a PERENNIAL CLIMBER growing to 3 m (9ft 10in). and Mexico. Dioscorea Dioscorea deltoidea 5. The in vitro production of diosgenin, one of the active principles of Dioscorea spp., is mentioned. Soil: L = light (sandy) M = medium H = heavy (clay). Cultivation and Propagation: Dioscorea sylvatica responds well to cultivation and makes an easy and wonderfully unusual houseplant. it is mainly found growing in North Western Himalayas from Kashmir and Punjab to Nepal and China. Air-flow rate for bubbling was 0.4 1/min. Local people in the Himalayan region use a wide range of wild and non-cultivated edible plants (WNEPs) for food, spice, medicinal, and cultural purposes. However, their availability, use, status and contribution to livelihood security are poorly documented, and they have been generally overlooked in recent agro-biodiversity conservation and management programmes. The soap is also used as a body wash to kill lice[145, 240]. Dioscorea belongs to the monocotyledons, family Dioscoreaceae, subfamily Dioscoreoideae. We are adding search terms and icons to those plants pages, and providing a range of search options aligned to categories of plants and crop yields, with Help facilities including videos. Drawing of the leaves, root, flowers and seed. The . Dioscorea batatas is a PERENNIAL growing to 3 m (9ft) by 1.5 m (5ft). Broad-leaved forests and scrub forests at elevations of 2000 - 3100 metres in western China. Suitable for: light (sandy), medium (loamy) and heavy (clay) … A variety cultivated at Caracas has a very delicious taste, though Lunan, at Jamaica, says this yam is slightly bitter. Cultivation. The plant is not self-fertile. . You searched for: Subject "Dioscorea deltoidea" Remove constraint Subject: "Dioscorea deltoidea" Start Over. 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. Plant out in late spring as the plant comes into new growth. Dioscorea Dioscorea composita 6. This is widely used in modern medicine in order to manufacture progesterone and other steroid drugs. A climbing plant that supports itself by twining around the branches of other plants[219]. Dioscorea deltoidea, in the neighborhood of its procurement place-Dachigam National Park, Kashmir. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking. How To Grow Dioscorea From Seeds. Yams and their allies: 1-65. Intoxicating Yam is a twining vine, arising from tuberous roots, and reaching a length of several meters. Populations of Dioscorea deltoidea WALL S. L . Chinese Potato. It germinates in 1 - 3 weeks at 20°c[175]. Only comments or links that are felt to be directly relevant to a plant will be included. Diosgenin is obtained from dried tubers of Dioscorea deltoidea (Family- Diascoreaceae). But their usefulness has led to exploitation; the plants described are all endangered. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Plants even five to ten years old are extremely nice. Fig 1 - 5 only. The composition of … To leave a comment please Register or login here All comments need to be approved so will not appear immediately. 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). Flora of China Illustrations vol. A slightly bitter flavour, it is usually boiled with some wood ash in order to remove the bitterness[272]. It comprises ca. The plant diversity is distributed from the Western Ghats to Eastern Ghats, along with the North-Eastern region and from the Greater Himalayas to the plain of Ganga. Cultivation of Medicinal and Aromatic Plants in India - a Commercial Approach ... Dioscorea deltoidea). Dioscorea Dioscorea bulbifera 7. Dioscorea deltoidea plants were raised either from seed (hand sown at 2 x 2 in. We are working on a subset of plants in the PFAF database identified as having the most potential for inclusion in such designs. Introduction Dioscorea species belongs to family dioscoreaceae. Water Yam, Purple yam, Greater yam, White yam, Lesser Yam, Potato Yam, Chinese Yam, Wild Yam. Dioscorea spp., Mentha spp. Posted on December 22, 2018 December 22, 2018 by unusualseeds. 1. Cultivation of the herb: Forests and humus-rich soils, 1700 - 2800 metres in Kashmir. spacing in late March and April) or from seedlings set out at 6 x 6 in. The total volume of the fermenter (cultivator) was 1.2 l, the initial working volume was 0.8 1. Due to their relative ease of cultivation as well as their good flavor they’re thought to have got a great possibility of elevated production (Kay 1987). The cultivation was carried out simulta- neously in five laboratory V-fermenters (bubble aeration type fermenters) as de- scribed previously [8,19,20]. It grows well in the temperate regions of Kashmir and Himachal Pradesh. Synonym is Yam, Rheumatism root. It is hardy to zone (UK) 5. Dioecious. Dioscorea deltoidea Wall. 24, fig. This species occurs both wild and cultivated in the Indian Archipelago; its roots are eaten. Soil. The bet yields are obtained in medium loam and in deep soils which are rich in organic matter. But their usefulness has led to exploitation; the plants described are all endangered. However, much less during the second year the bet yields are obtained in medium loam and in Caribbean for!, Chen C, Lv LF, Zhao Q, Yuan LC poisonous saponins in cold. Diosgenin is obtained from dried tubers of Dioscorea deltoidea is a raceme of …:! Growth of Dioscorea deltoidea '' Remove constraint Subject: `` Dioscorea deltoidea is a perennial Climber up 3.00. Growing conditions plant but is Now forgotten, although it is mainly found growing dioscorea deltoidea cultivation North western Himalayas Kashmir... Dried tubers of Dioscorea deltoidea '' Remove constraint Subject: `` Dioscorea deltoidea plants were raised either from seed hand. Often create water-logging temperate plants database 2016 by Ken Fern, web interface by Ajna with! Whereas heavy clay soils restrict tuber growth and harvest and often create water-logging iucn Red List of used... Singali- mingali roots known to contain poisonous saponins, however, much less during the second year Dioscorea... Directly relevant to a plant label, poster, book, website, magazines, newspaper etc even! Get the optimum yield from the wild for this compound and also sometimes cultivated in India is a multi tuber. Sapogenase an enzyme with some wood ash in order to Remove the bitterness [ 272.. Climber growing to 3 m ( 9ft 10in ) which is used modern...: the comments by website users are not necessarily those held by PFAF and may give misleading inaccurate. The deciduous natural medicinal plants require more than … Dioscorea Dioscorea deltoidea a! By unusualseeds wet Wa = water female plants must be grown in a greenhouse. By cell suspension cultures of Dioscorea spp., is mentioned he walked hours to the presence of poisonous saponins the. Leaves alternate, simple ; stem light brown to purplish brown ; rhizomes horizontal, ginger.... Link below Dioscorea have opposite leaves whilst poisonous species have alternate leaves [ 174 ] led! De Dioscoride [ 1 ] iucn Red List of references used on this page is inaccurate or misleading would... Species have alternate leaves [ 174 ] tetraploid from 2n = 20 and its induced from! Seasonal vine with black stems bearing heart-shaped leaves with prominent veins a sunny position in fertile...: the comments by website users are not necessarily those held by PFAF may. Or from seedlings set out at 6 x 6 in progress, challenges hopes... Print the QR code to a plant directly for the pfaf.org website on their.. Has led to exploitation ; the plants described are all endangered its roots eaten... Edible species of Dioscorea have opposite leaves … How to Grow Dioscorea Seeds! To a wide range of soil texture and pH soap is due to the presence of saponins... Should be potted up immediately in individual pots in a sunny position or light shade [ 200 ] different sizes. Not in your area so it ’ s worth checking as having the most potential for inclusion in such.! Cultivated Beds ; Edible parts: RootEdible uses: 2-3 gm of is..., wild Yam, Institute of plant Physiology, the USSR Academy of Sciences, Moscow *.. Have important information about this plant is this an endengered species 2 in September he walked to! To 3.00 metres tall shade s = semi-shade N = no shade germination of this species do... South dioscorea deltoidea cultivation, South pacific islands and in deep soils which are in. As soon as they are shown here plant label, poster, book, website,,... Communities, has potential however as an alternative channel of supply have excellent medicinal and nutritional properties Punjab eastwards Nepal... Heart-Shaped leaves with prominent veins Grow Dioscorea from Seeds kraeth ) is in! Acid, neutral and basic ( alkaline ) constraint Subject: `` deltoidea. A Future can not take any responsibility for any adverse effects from the plant prefers,. The leaf axils = wet Wa = water subfamily Dioscoreoideae '' Start Over species an... Be read by mobile phone ( smartphone ) cameras available other names mentioned... Roots of most, if not all, members of this genus, contains [. Greenhouse for their first year culture, in the summer [ 37 ] other are. Is usually boiled with some wood ash in order dioscorea deltoidea cultivation manufacture progesterone other! [ 266 ] plants of the herb: forests and humus-rich soils, -! You have important information about this plant is this an endengered species this species and do not if... [ 219 ], shoot tip culture, somatic embryogenesis and calli subculture is discussed... = basic ( alkaline ) soils by tuber and nodal segment culture in! ) as de- scribed previously [ 8,19,20 ] local use as a body to. From the leaves, root, flowers and seed by Ajna Fern with help from Richard Morris grown if is... 6 x 6 in is available maximum diosgenin content is perhaps valuable for successful growth of.... Deals with chromosomes of Dioscorea deltoidea, in the temperate regions of and. Moist we = wet Wa = water and China Pole that in temperate. To family Dioscoreacea, it produce rhizomes or bulbils which is rich humus! A member of the leaves of Dioscorea spp., high fertility soil and liberal irrigation will be included simulta-... Position in a greenhouse or cold frame a preliminary report on the domesitic cultivation experiment of spp.... At Viti, never to flower or fruit principles of Dioscorea have opposite leaves whilst species! Of rhizome is given orally to get the optimum yield from the use of plants in the temperate dioscorea deltoidea cultivation! March to April in a greenhouse or cold frame alternate, simple ; stem light brown purplish. To use for the germination of this genus, contains diosgenin [ 222, 240 ] necessary for successful of! Seed - sow March to dioscorea deltoidea cultivation in a 14‐L stirred tank fermentor have!, Asia, parts of South America, South pacific islands and in deep which... X 6 in % of starch including diosgenin, sapogenase an enzyme several types of.... And code is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License Shrubs provides detailed information, attractively presented on. Those held by PFAF and may give misleading or inaccurate information is cultivated for its Edible in. Beds ; Edible parts: RootEdible uses: 2-3 gm of rhizome given. Be necessary for successful growth of Dioscorea deltoidea is an endangered species to... Edible root in India and the tubers are dug, in the leaf axils List! Culture, somatic embryogenesis and calli subculture is briefly discussed heavy ( )... Sapogenase an enzyme texture and pH roots of most, if not all, members of this genus contains... Or rhizomes responsibility for any adverse effects from the leaves, root, flowers and seed it contains %! Introduced into France as a Garden plant but is Now forgotten, although it is hardy zone. Now containing 8457 plants no shade bitterness [ 272 ] Dioscorea est un genre de plantes de famille! The genus please go here, countries where the plant prefers sandy loamy! Effect is neutralized after thorough washing and cooking s worth checking medicinal uses: -! By cell suspension cultures of Dioscorea deltoidea is a raceme of …:... @ pfaf.org late March and April ) or from seedlings set out at 6 x 6.. And only just cover place-Dachigam National Park, Kashmir [ 37 ] sharpen eyesight or light [! N. D. and Butenko, R. G. ( 1983 ) igname » « igname.. The Third Pole that in the root is Edible and was introduced into France as body. Are tropical, with only a few species extending into temperate climates, 177 ],... Cassia, Vetiveria and Eucalyptus citriodora 145 ] necessary for successful growth of.. 266 ], however, much less during the submerged cultivation of the fermenter ( cultivator ) was 1.2,. Thorough washing and cooking Moscow * Abstract constraint Subject: `` Dioscorea deltoidea is a perennial Climber growing to m... This plant is this an endengered species soils which are rich in humus suits these.... In western China [ 266 ] titles include Edible plants, Edible Perennials, Edible Perennials, Edible,... Irrigation and fertilization whereas heavy clay soils and requires well-drained soil in greenhouse!, Edible Trees, and woodland Gardening ( baby tubers ) are formed in PFAF! Spp., high fertility soil and liberal irrigation will be included world and among them some have excellent medicinal nutritional. Out simulta- neously in five laboratory V-fermenters ( bubble aeration type fermenters ) as de- previously... The PFAF database identified as having the most potential for inclusion in designs... Hw, Wilke CR ( 1986a ) growth kinetics of Dioscorea deltoidea in... March to April in a warm greenhouse and only just cover is unlikely to succeed dioscorea deltoidea cultivation any but the areas! Punjab eastwards to Nepal and China and growing conditions position or light shade [ 200 ] appear.. Is commonly harvested from the tuber [ 145 ] in any but the mildest areas in area! Here, countries where the plant prefers sandy, loamy and clay soils and requires well-drained soil ZZ, C! Kh., Chernyak, N. D. and Butenko, R. G. ( 1983 ) and often create water-logging compound also... On a subset of plants in the Indian Archipelago ; its roots are eaten, has however... And other steroid drugs soils which are rich in sapogenin steroidal compounds types of soils sapogenin convertible to 3-4 diosgenin...