Air potato dioscorea bulbifera is a member of the yam family dioscoreaceae. Dioscorea bulbifera archives eat the weeds and other. Screening of antioxidant potentials in dioscorea bulbifera m. Air potato has inconspicuous flowers that dont usually appear because they arent necessary for propagation. In colder locations they can be grown as an annual, saving some. Free radicals are key mediators for emergence of disease, progression. 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. The plants grow rapidly in full sun where they can overgrow and kill native. A basal dose of 1520 tonneshectare of fym farmyard manure should be applied to the soil at the time of preplanting tillage. Pharmacognostic and phytochemical investigations of. Screening of antioxidant potentials in dioscorea bulbifera. In florida, herbarium records now reported for naturalized. I once held in my hand a bulbil from an edible form of dioscorea bulbifera, better known as the air potato.
The tubers are either small and bitter or do not form at all. Pdf antidiabetic and antioxidant properties of copper. The bulbils are eaten, although this species is not widely consumed outside of oceania. They were rinsed in distilled water until explants were clean and free from. Winged yam is known to have disprupted naturalarea plant communities, particularly coastal hammocks in south florida. Collectie tropenmuseum het knolgewas dioscorea bulbifera ubi gandu met bovenaardse knollen en bloeiwijze tmnr 100155. Dioscorea is a large genus of annual twining herbs, distributed throughout the moist tropics of world. The plants are very droughttolerant once established. Dioscorea yams genus dioscorea plant genus a genus of plants dioscoreaceae, family dioscoreaceae, yam family yams yam plant, yam any of a. Dioscorea alata or winged yam can easily be mistaken for air potato, d. They are perennial in regions where the ground soil doesnt freeze during the winter. Tuberous vine, tubers usually globose or pearshaped, sometimes lobed, some edible in cultivated races, others in wild races causing nausea or fatal.
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. It is a vine that can be up to 70 feet in length with heart shaped alternating leaves. Field emission scanning electron microscopy fesem, energydispersive spectroscopy edx, xray. Air potato dioscorea bulbifera, huang yao zi chinese. Synthesis of gold nanoanisotrops using dioscorea bulbifera. In the present study, the methanol extract, fractions dbb1 and dbb2 and six compounds isolated from the bulbils of d. 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 website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria.
The vast majority of the species are tropical, with only a few species extending into temperate climates. Dioscorea oppositifolia only grows in india, where i presume it is eaten. It is found throughout the tropics and is thought to be native to both africa and asia. The results can also be downloaded as a csv file unicode utf8 encoding see status, confidence level, source for definitions. Seedlings grow to mature size and flower in 1 yearedible aerial tubers may be produced in as little as 3 months after 7. Dioscorea bulbifera is an evergreen perennial climber growing to 10 m 32ft by 0. Pdf dioscorea bulbifera, a highly threatened african medicinal. I ordered some of his dvds and one of his books about wild edibles in england. Currently, the air potato leaf beetle, lilioceris cheni, is being massreared and released across.
Dioscorea bulbifera bulbils are used in the treatment of piles. It is a highly invasive plant included in the global compendium of weeds randall, 2012, and which creates management problems in many parts. 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. Dioscorea definition of dioscorea by the free dictionary.
Here, the synthesis of gold nanoparticles using dioscorea bulbifera tuber extract dbte as the reducing agent is reported. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Dioscorea alata ufifas center for aquatic and invasive. Antibacterial activities of the extracts, fractions and. Dioscorea species, air potato, air yam, bitter yam, potato. Planting in the field p land preparation and fertilizer application the planting beds should be tilled properly and made weed free, and the soil should be well pulverized. This is a yam that makes roots right on the vine instead of in the ground, making it a. The period from planting to harvesting is about 79 months. Hawaiian tropical plant nursery, llc is offering an edible dioscorea their page ambiguously refers to as either d. To study the leaf epidermis of wild and micropropagated dioscorea bulbifera linn. Many years later i became a fan of ray mears, a british bush crafter. High production of aerial tubers allows for rapid population growth.
Gnidia glauca and dioscorea bulbifera are traditional medicinal plants that can be considered as sources of natural antioxidants. Picking roots from the air is a lot better than digging. Appearance dioscorea bulbifera is an herbaceous, twining vine that can grow to lengths exceeding 60 ft. There is a video in my collection of the leaf beetle. The air potato, also known as dioscorea bulbifera in scientific name and huang yao zi in chinese name, is a common chinese herbal medicine. Dioscorea bulbifera polysaccharide and cyclophosphamide combination enhance anticervical cancer effect and attenuates immunosuppression and oxidative stress in mice. Air potato does produce a species of yam, but is recommended to never. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties.
Dioscorea bulbifera is a tribal plant, which belongs to the family. I ordered it early in the year, after some trouble. Widely distributed in asia and africa in the wild state coursey 1967 and widely naturalized elsewhere in the tropics and subtropics, including central and south america schultz 1993. My experience with dioscorea bulbifera has been very positive. Flavonoids and anthraquinone from dioscorea bulbifera l. However, it is not a legal authority for statutory or regulatory purposes. This is remake of a video i made several years ago.
I had to hash out the order by email because i didnt know when the seller would have it available, and when it was finally marked as available on the. Phytochemical analysis and free radical scavenging. Pdf dioscorea bulbifera bulbils are used in the treatment of piles, dysentery, syphilis, ulcers, cough, leprosy, diabetes, asthma. The medicinal uses of this edible herb are immeasurable but one of its greatest health benefits is its ability to fight cancer.
Dioscorea bulbifera bulbil is a medicinal plant that. Herein we report the phytochemical analysis and free radical scavenging activity of their sequential extracts. 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. Dioscorea bulbifera aerial yam, air potato pfaf plant database. Dioscorea alata, commonly known as water yam or winged yam, is a fastgrowing, twining, tuberousrooted, herbaceous perennial vine of the yam family dioscoreaeae. It is closely related to air potato dioscorea bulbifera. It is named after the ancient greek physician and botanist dioscorides. Water yam grows well in permeable clays and does poorly in. Winged yam gets it name from its winged internodes, a characteristic feature of the species.
Covered with large leaves, it can quickly grow into the tops of tall trees. It is native to africa, asia and northern australia. It invades open areas in the subtropical southeastern united states. Dioscorea bulbifera is an african medicinal plant used to treat microbial infections. Free radicals are produced as a part of normal metabolic. Data source and references for dioscorea bulbifera air. This beautiful green, rapidly growing vine gives a lush ropical rainforest appearance to my florida garden. 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. It is widely cultivated and has become naturalized in many regions latin america, the west indies, the southeastern united states, and various oceanic islands. Winged yam dioscorea alata is another nonnative, invasive vine in florida. Dioscorea bulbifera is an aggressive exotic invader of native hammock vegetation over much of peninsular florida. Comparative micromorphological study of wild and micropropagated.
The pdf file linked from each plant community name describes the model and synthesizes the knowledge available on vegetation. Dioscorea bulbifera also known as gonth, kolkand, varaheekand, a tribal plant belonging to the family of dioscoreaceae. 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. Dioscorea bulbifera will produce well in sun or light shade. Pdf dioscorea bulbifera is an immensely important medicinal plant. Dioscorea bulbifera, antioxidant, enzymatic, nonenzymatic, nutritive. Dioscorea bulbifera georgia invasive species task force. Dioscorea bulbifera is a species of yam, it is one of the early foods, it was extensively cultivated and used by the generation of individual as an house hold name, means of survival, medicine and food etc. Biosynthesis of metal nanoparticles employing plant extracts and thereby development of an environmentally benign process is an important branch of nanotechnology. Air potato dioscorea bulbifera is naturalized in texas and other states and is considered an invasive plant in texas. The invasive air potato vine has become a major concern throughout florida and neighboring states. Dioscorea bulbifera is the most widely distributed of all dioscorea species. Air potato, dioscorea bulbifera 1 christopher kerr2 and ryan poffenberger2 introduction.
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