| 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 | 
| Habenaria elliotii | sinananga | 
| Hackelochloa granularis | tsikalabana | 
| Haematodendron glabrum | rarà, voararà, voararabe | 
| Haematoxylum campechianum | sokan-kazo | 
| Halleria ligustrifolia | kitoto, risarivokitra, sesesoy, tsatroy, tsatsoy | 
| Halleria parviflora | hazontsoy | 
| Halleria tetragona | dimbinala, fanalalaky, fanorolaky, kisaravohitsa, kisarivohitsa, ripatra, riranefatra, somontsohihy, somontsohy, tanterakala, teloravina, teloririsana | 
| Haplocoelum perrieri | rimbondambo | 
| Harpanema acuminatum | samatry, vahitandrokosy | 
| Hartogiopsis trilobocarpa | befaroraotra | 
| Harungana madagascariensis | arongana, dity, fohatra, haringana, haronga, harongambato, harongana, miangaroka | 
| Harveya obtusifolia | parakinamboa, sarinatsipenala | 
| Hazomalania voyronii | hazomalana, hazomalanga | 
| Hazunta costata | hazompika | 
| Hazunta membranacea | fotsiavadika, hazompika, indriambavifotsy, mamalifolahy | 
| Hazunta modesta subvar. | andrambafohy, mamalifolahina, sodihazo | 
| Hazunta modesta subvar. | andriambavifohy, fananjake, laka, tsimanotra | 
| Hazunta modesta subvar. | bekapangaka, faika, feka, hazonta, hazontaha, somorombohitse, tapolahy, tsipepolahy | 
| Hazunta modesta var. | hazompika | 
| Hazunta modesta var. | faika, feka, feky, somorombohitse | 
| Hazunta modesta var. | hazompiky | 
| Hazunta modesta | andembavifotsy, feka, fekabe, fekandronono, hazonta, katso, laka, maniola, repolahy, tekabe, tsingevika | 
| Hazunta silicicola | feka | 
| Hedycaryopsis madagascariensis | ambora, amborabe, tambonaika | 
| Hedychium coronarium | sakamalaho, sakamalaobe, sakarivondambo | 
| Hedychium flavescens | fakamalao, laho, lingoza, lingozabe, longozabe, sakainolomainty, sakaintany, sakamalaho, sakamalaobe, sakamalaontany, sakarivo | 
| Hedychium peregrinum | fakamalao, sakainolomainty, sakamalaobe, sakamalaontany, sakarivo, sakavirondambo | 
| Hedychium pyrifolium | sakavirombato | 
| Hedysarum fruticulosum | famontifanivana | 
| Helianthus annuus | tanamasoandro | 
| Helichrysum abbayesii | ahitrandrianalahy, sava | 
| Helichrysum ambondrombeense | kandafotsy | 
| Helichrysum ambositrense | maimboakondro | 
| Helichrysum benthamii | homonomona, levana, omondromondro, sava, tsimonomonona | 
| Helichrysum bojerianum | hanitrandrianaivo, tranobemandrongo, tranobenandrongo | 
| Helichrysum bracteiferum | rambiasina, rambiazina | 
| Helichrysum calocladum | sava | 
| Helichrysum cordifolium | fotsiavadika, fotsivadihana, kimavo, sofinampaha, sofinapaha, tsantsambaitra, tsatsambahitra | 
| Helichrysum cremnophilum subsp. | telovitsana | 
| Helichrysum cryptomerioides | sava | 
| Helichrysum danguyanum | sava | 
| Helichrysum delicatum | sesikondana | 
| Helichrysum dichotomum | sava | 
| Helichrysum emirnense | tsantsambaitra, tsatsambahitra | 
| Helichrysum ericoides | doboroka | 
| Helichrysum forsythii | hanitrandrianaivo | 
| Helichrysum fulvescens | hanitrandrianaivo, tsatsambahitra | 
| Helichrysum gymnocephalum | rambazina, rambiasina, rambiazina | 
| Helichrysum heterotrichum | ahitrandriana | 
| Helichrysum hypnoides | itimandrahehatra, sava | 
| Helichrysum isalense | sava | 
| Helichrysum lecomtei | alaivana, boraka | 
| Helichrysum madagascariense | ahipotsy | 
| Helichrysum microcephalum | tsimanandramadinika | 
| Helichrysum mutisiaefolium | ahitrorana, kelimileladia, manjavona, ramanjavona | 
| Helichrysum myriocephalum | rambiazindrano | 
| Helichrysum plantago | saonjomay, soatsamay, sotromay, tsatsambahitra | 
| Helichrysum rusillonii | ahibalala, alamanitra | 
| Helichrysum salviifolium | foromboay | 
| Helichrysum selaginifolium | alaivana, boraka, boreraka, sava, sesikondana | 
| Helichrysum sp. | forimboay | 
| Helichrysum subumbellatum | kijanonovy | 
| Helichrysum trinervatum | telovitrana | 
| Helichrysum triplinerve | ahitrakoholahy, fotsivolomano, tsatsambahitra | 
| Helichrysum viguieri | maimboakondro | 
| Helichrysum xylocladum | farimboay | 
| Heliotropium curassavicum | mandavenoka | 
| Heliotropium indicum | adabondolo, anakolokoloka, anamboay, lelomboro, samake | 
| Helmiopsiella madagascariensis | hafotrampelambato, selivato, sely | 
| Helmiopsis boivinii | mainaty, selivato | 
| Helmiopsis hily | andriambolafotsy, hazomadio, hily, mainaty, menahy, pisopisonala | 
| Helmiopsis inversa | mainaty, selivato | 
| Helmiopsis pseudopopulus | hafomena, miriky | 
| Helmiopsis richardii | hafomena, miriky, sely | 
| Hemarthria altissima | tsimatiloha, tsimatimpanarivo | 
| Henonia scoparia | famafa, firoakosy, fofotsy, kafafa, kifafa, kifafahy, kifafalahy, kifafambohitra, sahondro, tsiavaramonina, tsibolo, tsimahatohantena, tsobolo | 
| Heritiera littoralis subsp. | moromony | 
| Heritiera littoralis subsp.ralima | ralima | 
| Heritiera littoralis | honkovavy, manangaranto, marovavy, mavoravy, moromona, moromony, roño, sangonakoholahy, vahona, varomby, varongy, voarona, voaroñy | 
| Herminiera elaphroxylon | odifonga | 
| Hernandia peltata | amongy, mongilahy, mongina, mongy | 
| Herreriopsis elegans | bakapaka, bemandrimahazaka | 
| Heteropogon contortus | ahedambo, ahidambo, ahimoso, boka, danga, lefondambo, lefonomby, tsevodambo | 
| Hevea brasiliensis | fingotra, hazompingotra, hevea | 
| Hiatula cepistipes | olabala | 
| Hibbertia coriacea subsp. | anjavidiberavina | 
| Hibbertia coriacea | anjavidilahy, antravidivavy, antravidy, fandrivala, fiandrivavala, tarantara, tarantaramadinidravina, vokovoko | 
| Hibiscus abelmoschus | tambasotsa | 
| Hibiscus bojerianus | fanjete, hafobato, hafotra, halampona, halapo, mangorondefona, somoro, varo | 
| Hibiscus borealis | baronala | 
| Hibiscus caerulescens var. | atalofotsy | 
| Hibiscus caerulescens | sarivanjo | 
| Hibiscus cameronii | tsotsovoa | 
| Hibiscus cannabinus var. | lenzolambo | 
| Hibiscus discolorifolius | masaizanolahy | 
| Hibiscus diversifolius var. | kiniavandy, rabe, roibe, roibelahy, roibevavy, roilo, tsotsona | 
| Hibiscus diversifolius | azoampela, dingombalala, hazoampela, kiliarivo, pingombalala, rangodrambalala, roibe, roimainty, saroso, sarosoala, sondrarajaza, sondraranjaza, sondraranjazamaosy, tsirangorangombalala, tsotso, tsotsy, voaroibe | 
| Hibiscus ellisii | hafotsala | 
| Hibiscus esculentus | gombo | 
| Hibiscus ferrugineus | dokadoka, hafotrakemba, malaikatsy, sarondro, sonisombonisy, sosombonisy, tandidisy, tsingafiavy | 
| Hibiscus grandidieri var. | hafotrankora | 
| Hibiscus grandidieri | tamenaka | 
| Hibiscus lasiococcus | alampo, alampona, alamponavavy, hafotra, mongy | 
| Hibiscus liliastrum | tsindahaso | 
| Hibiscus lobatus | isindailay, tsindailay | 
| Hibiscus macrogonus | andrapary, halampo, halampona | 
| Hibiscus mandrarensis | alampona, hafotralampona, halampomadindravina, halampona | 
| Hibiscus mangindranensis | atesana, fanjete | 
| Hibiscus micranthus | lairiky, mahavotsy | 
| Hibiscus palmatifidus var. | mainaty | 
| Hibiscus palmatifidus | halampondahy | 
| Hibiscus pterocarpoides | sarasoala | 
| Hibiscus sabdariffa | divaina, divay, madisokarana, madisombazaha, voamahombazaha, voambombazaha | 
| Hibiscus surattensis | kaoka, madiso, sirambalala, sirangabalala, sirasira, voambona | 
| Hibiscus thespesianus | masaizanovavy | 
| Hibiscus tiliaceus | afopotry, baro, daro, farihazo, hafobaro, hafopotsy, hafotra, masaizana, masehizano, poara, somangana, varo, varolopy | 
| Hibiscus trionum | kihasihasy | 
| Hibiscus vitifolius var. | sarasoa, sarosoala | 
| Hibiscus vitifolius | azoampela | 
| Hieracium capense | anantahalaka, kiramborambo, kitsofatsofa, manajara | 
| Hildegardia erythrosiphon subvar. | ringa | 
| Hildegardia erythrosiphon | abiringa, aboringa, azotsipake, boaloaka, boramena, hafotravoanoano, hafotravonoana, hazontsilaky, moringa, tamotamokazo, vinoa | 
| Hildegardia perrieri | afoborona, hafobonoana, vinoa, vonoa | 
| Hippocratea angustipetala | fanolehana, vahipindy | 
| Hippocratea boinensis | maronjy | 
| Hippocratea bojeri | fangolehana, fanolehana, vahipindy | 
| Hippocratea evonymoides | ampombolava | 
| Hippocratea sp. | vahita | 
| Hippocratea tulasnei | vahipindy | 
| Hippocratea urceolus | vahipendy, vahipindy, valiheta | 
| Hirneola auricula-judae | tadiniboalavo, tadinimpototra, tadinipototra | 
| Hirtella porosa | morasira | 
| Holmskioldia madagascariensis | maimbitsika, ndiamoramanana | 
| Holmskioldia microcalyx | mafangalaty | 
| Holmskioldia microphylla | farimbitika, farimbitsika, forimbitika, hasota, hazombaza | 
| Holmskioldia mira | hazombitsika, malazovoavy, mamolabao, rafanomby | 
| Holmskioldia sp. | kitatamalandy | 
| Homalium albiflorum var. | hazombato, hazomby, tsivalandra | 
| Homalium albiflorum | hazoadala, hazoambo, hazomainty, hazombato, hazombiby, janganitafotsy, lalipito, lalipitonala, lalompito, lohariana, malazavoavy, revy, takonandro, tratramborondreo, trongindambo, tsitakonandro | 
| Homalium axillare | fotsimavo, hazombarorana, hazombato, hazombatofotsy, hazombatovavy, hazondreana, lasiravina, marankoditra, nifinjaza, ramiavo, taimboalavo, tsivelomatavy, zahamena, zora | 
| Homalium brachystylum | mantsapoty | 
| Homalium brevipedunculatum | roandriana, rohandriana | 
| Homalium cauliflorum | hazomainty, hazombato, tsimorika | 
| Homalium humblotii | marakoditra, mataditra | 
| Homalium involucratum | zamalotra | 
| Homalium laxiflorum | tsitakonala | 
| Homalium longistaminum | tsimalambo | 
| Homalium louvelianum | gaviala, goviala | 
| Homalium maringitra | maringitra | 
| Homalium microphyllum var. | fotsivony, hazofotsy, nifinjaza, voanjoala | 
| Homalium microphyllum | nifinjaza | 
| Homalium moniliforme | hazontsindrano, rohitra | 
| Homalium nobile | paka | 
| Homalium nudiflorum | marakoditra, marankoditra, voasorindry | 
| Homalium oppositifolium | kasaka, sana | 
| Homalium parkeri | marakoditra | 
| Homalium planiflorum | haraka, hazombalovavy, hazombato, soaravina | 
| Homalium sanguineum | zanahy | 
| Homalium scleroxylon | marakoditra, marangatodika, marankoditra, voapaka, voapoamena | 
| Homalium sp. | hazombilahy, tanatanampotsy | 
| Homalium stelliferum | tanatanapotsy | 
| Homalium tetramerum | hazomby | 
| Homalium viguieri | vasorindrina | 
| Hugonia castanea | indrapotsy | 
| Humata repens | ahaka | 
| Humbertianthus cardiostegius | ambavy, hafotrafotsiberavina, hafotrafotsy, kavilava, ombavy, tanatanampotsy, tanatanapotsy, voalava, voalelintrova | 
| Humbertia madagascariensis | endraka, endrakendraka, endranendrana, hendrahendrana, hindrakindraka, indranindra, mera | 
| Humbertiella henricii f. | seta | 
| Humbertiella henricii | seta | 
| Humbertiodendron saboureaui | fandrianakanga, hazombaroranalahy, sadifitra | 
| Humbertioturraea maculata | mampisarika, manampisaraka | 
| Humbertioturraea ripicola | fanazavalahy, fankazava | 
| Humbertioturraea sericea | tsakafara | 
| Humbertioturraea sp. | fafara | 
| Humbertiturraea sp. | tsilanjaha | 
| Huperzia megastachya | kitongotrandraka, somoro, somorona | 
| Huperzia obtusifolia var. | tsilakivavy, tsilaky | 
| Huperzia obtusifolia | simaorona | 
| Huperzia phlegmaria var. | somorina, somoro, somorona, tsilaky | 
| Huperzia stricta | hazontsilaky, hazotsilaky, tsilakilahy, tsilaky | 
| Hura crepitans | hazombary, hazomboay, voalazomboay | 
| Hyacinthus cryptopodus | mangidihidihelika | 
| Hyacinthus orientalis | jasinta | 
| Hybanthus buxifolius | anandrono | 
| Hybanthus heterophyllus | ahikipa | 
| Hydnora esculenta | voantany | 
| Hydrocotyle bonariensis | viliantsahona | 
| Hydrocotyle hirta | viliabetsahona | 
| Hydrocotyle superposita | kiloviantsahona, tsitataka, viliantsahona | 
| Hydrocotyle tussilaginifolia | viliantsahona | 
| Hydrocotyle umbellata | kiloviantsahona, loviantsahona, viliabetsahona, viliantsahona | 
| Hydrostachys distichophylla | voniandria | 
| Hydrostachys goudotiana | mandriandrano, tsilaindriana, tsilavondria | 
| Hydrostachys imbricata | rondra, sangasanga, sangasanganakoholahy, tsigezigezy, tsotoroka | 
| Hydrostachys maxima | tsilavondria | 
| Hydrostachys multifida | tsilaindriana, tsilanidriana, tsilavondria | 
| Hydrostachys plumosa | rondra | 
| Hydrostachys stolonifera | tsilaindriana | 
| Hydrostachys verruculosa | tsilaindriana, tsilavonandriana, tsilavondria | 
| Hydrotriche hottoniiflora | hotona, kisangandrano, kisangandranolahy, kotona, volonkotona | 
| Hygrophila pubescens | kitsotsolalana, mandavohita | 
| Hymenodictyon louhavato | lohavato | 
| Hymenodictyon louhavatou | belohitse | 
| Hyparrhenia cymbaria | kalafa, kiverovato, kolafa, vero, verobe, verombato, veromena, verotsanga, verotsanjy, vohitara | 
| Hyparrhenia hirta | andrantsiky, danga, kiverovato, kolafa, vero, veromanga, verombato, verotsanjy | 
| Hyparrhenia rufa | fataka, kitsanjy, kolafa, sihy, siky, sy, vero, verofehana, verofotsy, veromena | 
| Hyparrhenia variabilis | verobe, verombato, verotsanjy | 
| Hyparrhenia | lava-vero | 
| Hypericum bojerianum | ahigoaika, anangoaika | 
| Hypericum japonicum subsp. | maintsorohina, maitsorohitra, manitsorohina, manitsorohitra, tsikotrakotra, tsikotrokotro, voantrotroka | 
| Hypericum japonicum var. | anangoaika, anangoaka, anantatara, anantatatra, beantoerana, famahipaihanalahy | 
| Hypericum japonicum | anangoaika, anantatatra, betoerana | 
| Hypericum lalandii | amanjaka, amankaja, anangoaika | 
| Hypericum lanceolatum | ambarasaha, amborasaha | 
| Hypericum pauciflorum subsp. | kianikanika, kitsinjotsinjo | 
| Hypericum revolutum | felantrandraka | 
| Hyphaene coriacea | babangy, lokoko | 
| Hyphaene shatan | dana, satra, satrakely, satramira, satrana, satrantoloho, satraviehy, satsa, taliona | 
| Hypoestes arachnopus | voamangalety | 
| Hypoestes bojeriana | marotonona | 
| Hypoestes calaminthoides | sarikimalao, sarinanamalao, sarisarinanamalaho | 
| Hypoestes cernua | hazongezoka | 
| Hypoestes comosa | famavo, tanganoro | 
| Hypoestes decaryana | hazomavo, remotiny | 
| Hypoestes glandulifera | angamboa | 
| Hypoestes longituba | voanalakely | 
| Hypoestes maculosa | anampengoka, halandrano, velatra | 
| Hypoestes microphylla | velatsamadinika | 
| Hypoestes pulchra | menakibongala | 
| Hypoestes serpens | anamalemy | 
| Hypoestes trichochlamys | anamalemy, sofintotozy | 
| Hypolytrum mauritianum | vindabe, vondronampaly | 
| Hypoxis angustifolia | saonjonompanaraka | 
| Hypoxis oligophylla | kitsonjomparakandro | 
| Hyptis pectinata | afolava, afolavalahy, kiafolava, kivoahazovoahazo, kivohazohazo, rombantsahona, rombatsahona, sangasanga, sangasanganandevolahy, sangasanganimarina, sansanganimarina, somolahotsy, tamborotsintsina, tongotaintaina, tsintsoapaiky, voamahombohitra, voarambitsahona | 
| Hyptis spicigera | mafivehana, mampivena, tsangatsanganabihy | 
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