| Noms géographiques | Noms scientifiques botaniques | Noms bibliques | Sobriquets | Noms d' établissements | 
| Noms historiques | Noms scientifiques zoologiques | Noms fictifs | Pseudonymes | 
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| Nom scientifique | Nom malgache | 
| Ilex mitis | hazondrano, kamasina, lampivahitry, lampivato, lapivahatra, manofotrakoho, monofotrakoho, nofotrakoho, talate, timpantrozona, tsialefitra, tsimendretsa, tsimidretra, tsimidretsa, tsimitety, tsimitretra, valolahy | 
| Ilysanthes sp. | voanjomangamadinikantanety | 
| Impatiens andringitrensis | kivolavola | 
| Impatiens balsamina | benjamina | 
| Impatiens baronii | kivolavola | 
| Impatiens decaryana | kivolavola | 
| Impatiens firmula | kivolavola, rangikely, silamorindrano | 
| Impatiens humbertii | kivolavola | 
| Impatiens ivohibensis | kivolavola | 
| Impatiens justicioides | kivolavola | 
| Impatiens lantziana | kivolavola | 
| Impatiens lyallii | kivolavavy, rangy | 
| Impatiens majungensis | moramaitso | 
| Impatiens noli-tangere | benjamina | 
| Impatiens peperomioides | kivolavola | 
| Impatiens salicifolia | voahangindrano | 
| Impatiens sp. | tsipihipina | 
| Impatiens spathulifera | kivolavola | 
| Impatiens sultanii | benjamina, kivolavavy | 
| Imperata cylindrica | antsoro, fakatenina, fehana, manevika, saingona, tenina, tenona, tsevoka | 
| Indigofera anil | aika, engitra, hengitra | 
| Indigofera bojeri | kiramena | 
| Indigofera cloiselii | hazomboatango, taolanomby | 
| Indigofera compressa | fafalahy, manjola | 
| Indigofera depauperata | fafalahy, hazomby, maintempo, maintifo, titinjaza | 
| Indigofera erecta | aika, engitra | 
| Indigofera glabra | aikalahy, fatrabahatra | 
| Indigofera hirsuta | engitratainakoho, famafasambo, patry, takotsifotra, tsiasotry | 
| Indigofera incana | aikaberavina | 
| Indigofera leucoclada | malemiravina | 
| Indigofera longiracemosa | aikamanga | 
| Indigofera lyallii | aikafatray, aikamena, fanamolahy, sariaky | 
| Indigofera mimosella | kiotsiotsitanilahy | 
| Indigofera pedunculata | aikaberavina, aikamanga, beravina, mangataho, tapitsakondry | 
| Indigofera perrieri | hazomby | 
| Indigofera sp. | hazombohabe, remote, tsingilofilo, zavilo | 
| Indigofera stenopetala | kiotsiotsitanivavy | 
| Indigofera suffruticosa | aika, engitra, hengitra | 
| Indigofera thymoides | tsimaitompangady | 
| Indigofera tinctoria | aika, angitra, engitra, fangira, fatotra, hengitra, kitsakitsa, lefitra, netsy, tapisakondry | 
| Intsia bijuga | intsy | 
| Inula perrieri | fanefitsa, lelanomby, salakanimpampihosy | 
| Inula speciosa | fanefitra, lelanomby, parakinandrongo, salakanimpampihosy | 
| Iodes madagascariensis | vahifisaka | 
| Ipomea s | kanjo | 
| Ipomoea angustifolia | antsarake | 
| Ipomoea aquatica | antarika | 
| Ipomoea aspera | bokalambitro | 
| Ipomoea batatas | ambizo, anantaraona, anantarohana, bageda, bariaho, batata, bege, bela, bele, belena, belity, bemavo, bokala, bolidy, bolody, bonaka, borokay, gogavory, gogika, hoda, ikalamongo, kalafotsy, kalamanja, kalamavo, kalamena, kalamongo, kalandolaña, kalavory, kambara, kambo, kelemena, keliebo, keliladina, kelimena, kelimongo, kirangomena, ladim-bomanga, lohafinjo, mandady, mbizo, ovihazo, ovimanga, ovozao, ovy, rahoda, rahodaka, tanambizo, toñàña, tongotrakoho, tsidinambotofotsy, tsimanga, tsomanga, vihazo, vomanga, vorondro | 
| Ipomoea beraviensis | vahindranavavy | 
| Ipomoea biloba | vahindalandana | 
| Ipomoea desmophylla | kifolona, varangambitsika | 
| Ipomoea learii | poranakosy | 
| Ipomoea leucantha | ampelantsifotra, ampelasifotra, voafo | 
| Ipomoea lindleyi | sarovy, voankelana | 
| Ipomoea medium | famehifary | 
| Ipomoea nil | vahintsidy | 
| Ipomoea palmata | anambararata, anambolotara, ananambararata, kisantsola, vahimporinondry, vahintsatsaka, vahintsatsatra | 
| Ipomoea pes-caprae | vahedalanda | 
| Ipomoea pescaprae | lalandanjiake | 
| Ipomoea pterygocaulos | vahinkelaka | 
| Ipomoea purpurea | bahia, kisarisarimbomanga, sarisarimbomanga, sarisarivomanga, tsingovihovy, vahintsidity, vahitsidy, vomanganalika, vomangangoaika, vomangoaika | 
| Ipomoea reptans | lalandy | 
| Ipomoea sp. | boadoaka, kanja, kimoky, marovelo, moky, tsiotry | 
| Ipomoea wightii | ajy, avy, tsingovihovy | 
| Iresine lindenii | belohalika | 
| Ischaemum rugosum | taimboriky, tsikalabana | 
| Isoglossa melleri | ravitsara | 
| Isolona ghesquierei | ambary, ambavy | 
| Isolona humbertiana | ambery, ambiry, kililo, ombary, roimbary | 
| Isolona madagascariensis | ambary, kililo, ombary, ombavy, roimbary, roimbavy | 
| Isolona perrieri | robavy | 
| Ivodea confertifolia | tsimanotry | 
| Ivodea menabeensis | ampoly | 
| Ixora cremixora | madosoravy | 
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