Pharmacognostic and phytochemical investigations of dioscorea. Dioscorea is a large genus of annual twining herbs, distributed throughout the moist tropics of world. Tuberous vine, tubers usually globose or pearshaped, sometimes lobed, some edible in cultivated races, others in wild races causing nausea or fatal. Dioscorea bulbifera definition of dioscorea bulbifera by. This document is ss agr 164, one of a series of the agronomy department, uf ifas extension.
Many years later i became a fan of ray mears, a british bush crafter. Dioscorea bulbifera is classified as a noxious weed in both florida and alabama. The pdf file linked from each plant community name describes the model and synthesizes the knowledge available on vegetation composition, structure, and dynamics. Dioscorea bulbifera synonyms, dioscorea bulbifera pronunciation, dioscorea bulbifera translation, english dictionary definition of dioscorea bulbifera. Dioscorea bulbifera is a highly invasive plant and presents a management problem in many parts of the world. New vines sprout in the spring from bulbils and persistent subterranean tubers overholt et. It invades open areas in the subtropical southeastern united states.
Screening of antioxidant potentials in dioscorea bulbifera. This document provides helpful information to identify the air potato. Dioscorea alata, commonly known as water yam or winged yam, is a fastgrowing, twining, tuberousrooted, herbaceous perennial vine of the yam family dioscoreaeae. Dioscorea is a large genus of annual twining herbs, distributed throughout the moist tropics of world and extending into warm temperate regions. Dioscorea bulbifera yam of tropical africa and asia cultivated for it large tubers air potato yam plant, yam any of a number of tropical vines. Indupriya department of biochemistry, periyar university, salem, tamil nadu india abstract dioscorea bulbifera is a major staple food crop which is a species of yam widely distributed around the. Pdf dioscorea bulbifera bulbils are used in the treatment of piles, dysentery, syphilis, ulcers, cough, leprosy, diabetes, asthma, and cancer. Dioscorea bulbifera archives eat the weeds and other things. Air potato does produce a species of yam, but is recommended to never.
Their structures were elucidated by 1d and 2d nmr techniques, hrftms, and chemical methods. Winged yam grows to 30 feet, roughly half the length of the invasive species. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Dioscorea bulbifera is an african medicinal plant used to treat microbial infections. Steroidal sapogenins and glycosides from the rhizomes of.
The aqueous and methanol extracts from the dry bulbils of dioscorea bulbifera l. Dioscorea bulbifera wikipedia, a enciclopedia livre. On aug 7, 2006, robinng from sabah, malaysia wrote. I was given some bulbs of dioscorea bulbifera by a friend about 3 years ago. Ecological hostrange of lilioceris cheni coleoptera. Dioscorea bulbifera e uma especie da familia dioscoreaceae cultivada pelos seus tuberculos batatas e bulbos axilares. Dioscorea bulbifera will produce well in sun or light shade. It is widely cultivated and has become naturalized in many regions latin america, the west indies, the. Preface the air potato management plan was developed to provide a synthesis of the information available on dioscorea bulbifera and its management in florida. Air potato has inconspicuous flowers that dont usually appear because they arent necessary for propagation. It is a vine that can be up to 70 feet in length with heart shaped alternating leaves.
Dioscorea bulbifera l identification and biology of nonnative. Page designed through the cooperative efforts of interagency itis teams. Winged yam gets it name from its winged internodes, a characteristic feature of the species. Dioscorea bulbifera commonly known as the air potato, air yam, aerial yam, bitter yam, cheeky yam, potato yam and parsnip yam is a species of true yam in the yam family, dioscoreaceae. Just like rambo movies, there is yam a, yam b and, yes, a yam c, the chinese wild yam or the cinnamon vine yam, either way we get yam c, botanical name, dioscorea polystachya aka d. Fort pierce, fl 34945 rodrigo diaz indian river research and education center univeristy of florida 2199 south rock rd. Hosted by the usgs core science analytics and synthesis. Indupriya department of biochemistry, periyar university, salem, tamil nadu india abstract dioscorea bulbifera is a major staple food crop which is a species of yam widely distributed around the world in tropical and subtropical regions. Air potato growing in a ravine near louwsburg, kwazulunatal. Dioscorea batatas is a perennial growing to 3 m 9ft by 1. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Dioscorea bulbifera, blaar en stingelbolle, louwsburg.
However, it is not a legal authority for statutory or regulatory purposes. Information is also included on related species occurring in florida, including winged yam, d. It is a highly invasive plant included in the global compendium of weeds randall, 2012, and which creates management problems in many parts. Air potato dioscorea bulbifera is naturalized in texas and other states and is considered an invasive plant in texas. Currently, the air potato leaf beetle, lilioceris cheni. Dioscorea alata plant finder missouri botanical garden. Seedlings grow to mature size and flower in 1 yearedible aerial tubers may be produced in as little as 3 months after 7. To make things complicated, however, there are some edible cultivars though theyre very rare. 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. Dioscorea bulbifera also known as gonth, kolkand, varaheekand, a tribal plant belonging to the family of dioscoreaceae. The invasive air potato vine has become a major concern throughout florida and neighboring states. Chemical investigation of the dichloromethane extracts of dioscorea luzonensis schauer. Aartappeljam in n kloof naby louwsburg, kwazulunatal. It is named after the ancient greek physician and botanist dioscorides.
Air potato dioscorea bulbifera is a member of the yam family dioscoreaceae. Dioscorea bulbifera instant id a vine with heartshaped leaves up to 8 inches by 8 inches leaves have veins in a radial pattern and are staggered on the stem tendrils look like corkscrews with a counterclockwise twist bulbils potatolike growths sprout along stem and range in size from a pea to a softball hijacked habitats. It produces a large root crop of edible subterranean tubers yams which are an important starchy food source in many tropical to subtropical areas around the globe. Dioscorea bulbifera is used in the treatment of sore throat, gastric cancer and carcinoma of the rectum4. Dioscorea crispata roxb dioscorea heterophylla roxb dioscorea latifolia benth dioscorea oppositifolia campbell dioscorea papilaris blanco. Uses, benefits, cures, side effects, nutrients in air potato. Pratt usda ars, invasive plant research laboratory, 3225 college avenue, fort lauderdale, fl 33314, usa highlights the ecological hostrange of lilioceris cheni was tested.
Native or naturalized in areas classified under global plant hardiness zones 8 through 12. Air potato herb uses, benefits, cures, side effects, nutrients. Dec 22, 2015 dioscorea bulbifera is the common wild variety of air potato that will mess you up if you eat it. Add a oneline explanation of what this file represents. In colder locations they can be grown as an annual, saving some of the aerial tubers for replanting each year. In colder locations they can be grown as an annual, saving some.
Screening of antioxidant potentials in dioscorea bulbifera m. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 239891 with original publication details. Stems to 20 m 66 ft or more in length, freely branching above. Dioscorea bulbifera ufifas center for aquatic and invasive. It is native to africa, asia and northern australia. Species plantarum, exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus. Dioscorea bulbifera bulbil is a medicinal plant that. The tubers are either small and bitter or do not form at all. Dioscorea bulbifera bulbils are used in the treatment of piles, dysentery, syphilis, ulcers. Dioscorea species, air potato, air yam, bitter yam, potato.
The bulbils are eaten, although this species is not widely consumed outside of oceania. Air potato dioscorea bulbifera 3 three other introduced species of dioscorea may be encountered in florida. This plant may be known by one or more common names in different places, and some are listed above. In the present study, the methanol extract, fractions dbb1 and dbb2 and six compounds isolated from the bulbils of d.
It is found throughout the tropics and is thought to be native to both africa and asia. Evidencebased complementary and alternative medicine. Biology of air potato florida exotic pest plant council. As i dug for more info, i found that gardener jerry colebywilliams has a good article with photos of edible dioscorea bulbifera varieties hes growing in australia. They are perennial in regions where the ground soil doesnt freeze during the winter.
Data source and references for dioscorea bulbifera air. Native to tropical asia and subsaharan africa, air potato was spread by ancient polynesians throughout much of the south pacific where it is now considered invasive. The air potato management plan was developed to provide a synthesis of the information available on dioscorea bulbifera and its management in florida. The period from planting to harvesting is about 79 months. A native to tropical asia, air potato, dioscorea bulbifera, was first introduced to the americas from africa. Dioscorea bulbifera archives eat the weeds and other. 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. The native range of air potato includes much of asia and. Dioscorea bulbifera is the most widely distributed of all dioscorea species. Dec 23, 2016 dioscorea bulbifera will produce well in sun or light shade. Virusfree plants were obtained by meristem culture in d. Dioscorea alata or winged yam can easily be mistaken for air potato, d. The vast majority of the species are tropical, with only a few species extending into temperate climates. How air potato is effective for various diseases is listed in repertory format.
Appearance dioscorea bulbifera is an herbaceous, twining vine that can grow to lengths exceeding 60 ft. Picking roots from the air is a lot better than digging. Yam b, dioscorea bulbifera, bulbifferah the air potato vine has a thick round stem, green. D, two new spirostane glycosides, diosbulbisides a 5 and b 6, one new cholestane glycoside, diosbulbiside c 7, and the known compounds 8. Dioscorea oppositifolia only grows in india, where i presume it is eaten. Pdf dioscorea bulbifera, a highly threatened african medicinal. As indicated earlier in this document, air potato has an extensive native range, including. Manual of the flowering plants of hawaii, revised edition. It was used in the treatment of haemoptysis, epistatis, pharyngitis, goiter, pyogenic infection, serofula, architis, sprains and injuries5. Air potato leaf beetle suggested common name, lilioceris. The scientific name for the genus commonly known as yams is dioscorea l. It is commonly called air potato, air yam or bulbilbearing yam. It twists lower right to upper left stwist its leaves are roundshaped heart and singular, alternating.
Names of air potato in various languages of the world are also given. Pdf dioscorea bulbifera is an immensely important medicinal plant which is extensively used in both indian and chinese system of traditional. Share copy and redistribute the material in any medium or format. My experience with dioscorea bulbifera has been very positive. In an analysis of 4 wild nepalese yam species, including dioscorea bulbifera, bahndari and kawabata 2004 found that constituent chemicals in the yams \tend to imply thatwild yams may present a health hazard potential, which in turn demands propor processing before consumption to eliminate the effects of the antinutrients. This plant can be weedy or invasive according to the authoritative sources noted below. Antibacterial activities of the extracts, fractions and. This beautiful green, rapidly growing vine gives a lush ropical rainforest appearance to my florida garden. Air potato dioscorea bulbifera ufifas edis university of florida. To study the leaf epidermis of wild and micropropagated dioscorea bulbifera linn. Fed and naive beetles preferred dioscorea bulbifera to nontargets.
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