[3] Furthermore, Gnetum africanum produces a root tuber that may be used as a source of famine food, and is similar to that of a yam. Statistics are at the end of the page. [9] The vine is largely understudied and more research is needed to verify plant susceptibility and resilience to viruses, diseases, and fungi. 2000. 2002. Unlike other gymnosperms, they possess vessel elements in the xylem. Gnemon and are larger, with larger fruits Healthy leaves with a thick wax-like texture are preferred in markets and will receive the highest value; Gnetum africanum remains untaxed in local markets. [8] It is a perennial that grows approximately 10 metres long, with thick papery-like leaves growing in groups of three. There are 65 species in the genus Ephedra, 30 or more in Gnetum, but only one in Welwitschia. Gnetum gnemon is rated as Least Concerned (LC) according to IUCN Red List criteria and has received a EDGE score of -7.69, which places it in position 787 on the EDGE Gymnosperm list. Gnetum; A list of all accepted names in Gnetaceae is available in CSV format. Scientific Name Bactrocera distincta, Bactrocera kirki, Bactrocera gnetum,Bactrocera obscura,Bactrocera passiflorae,Bactroceraspecies near passiflorae, and Bactrocera xanthodes. It has a Evolutionary Distinctiveness of 9.11, ranked 307. [7], Gnetum africanum - leaves as sold and as typically cut for recipes. It has also been noted that the vine does not grow particularly well in very moist conditions such as marshes and swamps. NPO法人JASMELINDO. To harvest the leaves, the vine is often just yanked down off the tree, lea Nutrition can be improved by using the plant for medicinal purposes as well as through edible consumption. 8, no. Subsistence agriculturalists in Cameroon may be able to improve their nutritional, environmental, social, and economic situations by growing this vine. G. paniculatum 6. [7], Gnetum africanum is a good source of protein and is strong in essential and non-essential amino acids. Seed plant phylogeny inferred from all three plant genomes: Monophyly of extant gymnosperms and origin of Gnetales from conifers, Phylogeny of seed plants based on all three genomic compartments: Extant gymnosperms are monophyletic and Gnetales' closest relatives are conifers, Proceedings of the National Academy of Sciences, Phylogeny of seed plants based on evidence from eight genes, "Domestication of Non Timber Forest Products", Centre for Nursery Development and Eru Propagation, Center for International Forestry Research (CIFOR), https://en.wikipedia.org/w/index.php?title=Gnetum_africanum&oldid=973793170, Creative Commons Attribution-ShareAlike License, This page was last edited on 19 August 2020, at 07:00. There is an interesting case in the gymnosperm, Gnetum gnemonoides, where an extra copy of nad1 intron 2 and flanking exons is present in its mitochondrial genome and it appears to be of a flowering plant (asterid) origin (Won & Renner, 2003). 1, 1998, pp 24-31, Kew World Checklist of Selected Plant Families, Significance of Photosynthetic Characters in the Evolution of Asian Gnetum (Gnetales), https://en.wikipedia.org/w/index.php?title=Gnetum&oldid=995719895, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 December 2020, at 14:59. Gravels varieties, Sticky rice varieties and Varieties of … Trees predominate among the African species; most of the Asian varieties are woody vines, but among the exceptions is G. gnemon, a tree about 20 metres (65 feet) tall … Melinjo belongs to Gnetum family plant which originated from Indonesia. Economically, Gnetum africanum can be used as a means to maintain a supplemental income as it is available throughout the year,[13] and may be used as a form of supplementary income for rural farmers in Cameroon. A large plant, but easily grown given year-round warmth and moisture. Bowe, L. Michelle, Gwénaële Coat, and Claude W. dePamphilis. Basis of record: Artwork: Scientific name: Gnetum latifolium Blume: Catalog number: L.2096956: Collection code: Icones: Family: Gnetaceae: Genus: Gnetum: Specific epithet Dendrobium spectabile. The seeds of the vine resemble a fleshy fruit, sized 10–15 mm × 4–8 mm, and are red-orange in colour when fully ripe. Science, 326 (5954), 840-847. They are used as a potherb. Bot. 12. Both Gnetum species have significant value to many forest-based communities and have a number of vernacular and trade names. Gnetum definition is - a genus (the type of the family Gnetaceae) of gymnospermous, dioecious, tropical shrubs, small trees, or woody vines having compound male and female strobili often arranged in clusters and seeds resembling drupes. Chaw, Shu-Miaw, Christopher L. Parkinson, Yuchang Cheng, Thomas M. Vincent, and Jeffrey D. Palmer. This small­ to medium­size tree up to 15 m (50 ft) in height is native to Indo­Malaya and perhaps Melanesia. [9] However, the necessity for shaded, but not excessively moist, conditions may make it difficult for poor farmers to grow Gnetum africanum if they lack access to suitable lands. The vine grows on trees in the wild. [10], Gnetum africanum is found mainly in the humid tropical forest regions of Central African Republic, Cameroon, Gabon, Democratic Republic of the Congo and Angola. Other Names for Gnetum. The shade tolerant vine does not grow well in direct sunlight and can be found climbing on middle and under-story trees. Gnetophyte, any member of the division Gnetophyta, a small group of gymnospermous vascular plants that are represented by three living genera: Ephedra, Gnetum, and Welwitschia. Fibre levels average approximately 33.4 g/100 g of dried Gnetum africanum leaves, while recommended daily intake of fibre is 30 g. Gnetum africanum has been noted as an anti-inflammatory, anticarcinogenic and antioxidant. In the Central African Republic, Gabon, Congo, DR of Congo and Angola, the two species are locally called koko. [8] However, the productivity of the vine appears to be resistant to a significant proportion of diseases. [1][2][3] Though bearing leaves, the genus Gnetum are gymnosperms, related to pine and other conifers. Soltis, Douglas E., Pamela S. Soltis and Michael J. Zanis. The plant has now been domesticated and grown for subsistence and commercial use among the Annang of Nigeria. Though bearing leaves, the genus Gnetum are gymnosperms, related to pine and other conifers. They are tropical evergreen trees, shrubs and lianas. [6], genus of tropical gymnosperms in the family Gnetaceae. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. The FAO has found that the vine is easier to reproduce by cutting seedlings rather than growing from seeds. File Metadata File Reference No. Dating dispersal and radiation in the gymnosperm, Hoe, V.B. Scientific name - Gnetum gnemon Inhabitant to Southeast Asia and the western Pacific Ocean islands, Gnetum gnemon is a species of gnemon L. � Buko from the family of Gnetaceae. Many forest-based communities and have a number of vernacular and trade names and strong! Or trees be insect-pollinated as their fossils occur in association with extinct pollinating scorpionflies to a proportion! Synonyms Gnetum polystachyum Reinw has 1 sense: in direct sunlight and be. For rubber and oil trees in Africa. 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