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Search Results
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2020
Journal article
Genome-wide genotyping elucidates the geographical diversification and dispersal of the polyploid and clonally propagated yam (Dioscorea alata).
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2019
Journal article
Adaptations and evolution of a heritable leaf nodule symbiosis between Dioscorea sansibarensis and Orrella dioscoreae.
Various plant species establish intimate symbioses with bacteria within their aerial organs. The bacteria are contained within nodules or glands often present in distinctive patterns on the leaves in what is commonly referred to as leaf nodule symbiosis. We describe here a highly specific symbiosis between a wild yam species... -
2023
Journal article
Wild edible yams from Madagascar: New insights into nutritional composition support their use for food security and conservation.
Yams ( species) are an important food resource in Madagascar, where both cultivated winged yam ( ) and wild edible yams are consumed. However, there is limited knowledge on the nutrient composition of wild edible yams in Madagascar, and on how they compare with the cultivated winged yam. Therefore, in... -
2022
Journal article
Madagascar’s extraordinary biodiversity: Evolution, distribution, and use.
Madagascar’s biota is hyperdiverse and includes exceptional levels of endemicity. We review the current state of knowledge on Madagascar’s past and current terrestrial and freshwater biodiversity by compiling and presenting comprehensive data on species diversity, endemism, and rates of species description and human uses, in addition to presenting an updated... -
2022
Journal article
Madagascar’s extraordinary biodiversity: Threats and opportunities.
Madagascar’s unique biota is heavily affected by human activity and is under intense threat. Here, we review the current state of knowledge on the conservation status of Madagascar’s terrestrial and freshwater biodiversity by presenting data and analyses on documented and predicted species-level conservation statuses, the most prevalent and relevant threats,... -
2021
Technical report
Fitahirizana Ny Oviala. Azo Atao Tsara Ny Mitahiry Ny Oviala Rehefa Matoa Tsara Ny Vokatra.
Madagascan native yams comprise at least 45 species. Almost all are found nowhere else. They form a dietary starch resource that ranges from seasonal staples in specific regions to famine foods. The yams are threatened by over-harvesting and habitat loss. A further species of cultivated yam (winged yam, Dioscorea alata)... -
2021
Technical report
Tetikasa Fiarovana ny Oviala eto Madagasikara Amin'ny Alalan'ny Fambolena Azy Ho Fihinana Sy Ho Fitsinjovana Maitso Ahitra.
Madagascan native yams comprise at least 45 species. Almost all are found nowhere else. They form a dietary starch resource that ranges from seasonal staples in specific regions to famine foods. The yams are threatened by over-harvesting and habitat loss. A further species of cultivated yam (winged yam, Dioscorea alata)... -
2021
Technical report
Tetikasa Fiarovana ny Oviala eto Madagasikara Amin'ny Alalan'ny Fambolena azy An-tanimboly mba ho Sakafo sy Fidiran - Bola.
Madagascan native yams comprise at least 45 species. Almost all are found nowhere else. They form a dietary starch resource that ranges from seasonal staples in specific regions to famine foods. The yams are threatened by over-harvesting and habitat loss. A further species of cultivated yam (winged yam, Dioscorea alata)... -
2021
Still image
Arovy ny Oviala sady hanigny no hariagna!
Madagascan native yams comprise at least 45 species. Almost all are found nowhere else. They form a dietary starch resource that ranges from seasonal staples in specific regions to famine foods. The yams are threatened by over-harvesting and habitat loss. A further species of cultivated yam (winged yam, Dioscorea alata)...