| 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 | 
| Dombeya hafodahyformis | hafomena | 
| Dombeya hafodahy | hafodahy | 
| Dombeya hafotsy | hafotsy | 
| Dombeya halapo | halapo | 
| Sorghum halepense | ampemba, ampembimbazaha, ampemby, bakaka, bakaky, femba, pembamboloky, variampemby, varifemba | 
| Cardiospermum halicacabum var. | poakapoaka | 
| Cardiospermum halicacabum | kisangy, masontsokina, riado, siramboalavo, tsipoapoaka, vahintsokina | 
| Corchorus hamatus | sokondrere | 
| Justicia haplostachya | fanitso, fantso, masanjerina, somotsohy, somotsy | 
| Diospyros haplostylis | hazomainty, lopingo, mapingo, mapingolahy, pingo | 
| Cordyla haraka | haraka | 
| Lobelia hartlaubii | ahidresy, anandaingo, velamavo | 
| Cyperus haspan var. | vendranala | 
| Cyperus haspan | serasera | 
| Salvinia hastata | manotona | 
| Aloe haworthioides var. | sarivahona | 
| Diospyros hazomainty | hazoary, hazomainty | 
| Scolopia hazomby | hazomby, longotramena, longotromena | 
| Eugenia hazompasika | goaviala, koviala, rotra | 
| Mauloutchia heckelii | mafotrasanganakolahy, mafotrasangasanganakoholahy | 
| Protorhus heckelii | manavodrevo | 
| Dombeya heimii | hafotra, mongihafotra, mongy, valotra | 
| Polyscias heineana | zavaviala | 
| Strychnos henningsii | tsilanimboana, tsivoamino, tsivoanino | 
| Humbertiella henricii f. | seta | 
| Humbertiella henricii | seta | 
| Polyalthia henrici | ambavy | 
| Solanum heteracanthum | angivy, voangivy | 
| Popowia heterantha | railombo | 
| Cyperus heterocladus | kirindra, vinda, zozoro | 
| Dipcadi heterocuspe | tongolondambo | 
| Byttneria heteromorpha | hazompositra | 
| Byttneria heterophylla | ranonivinombilahy, sely, sofindambo, vahiamalo, vahimainty, vahinamalo, vahinamalona | 
| Boscia heterophyllum | teloravy | 
| Clerodendrum heterophyllum | fantsikakolahy, tsantsandroy | 
| Thilachium heterophyllum | teloravina, vodiaomby | 
| Artocarpus heterophyllus | ampalibe | 
| Hybanthus heterophyllus | ahikipa | 
| Dioscorea heteropoda var. | oviala | 
| Dioscorea heteropoda | heofika, hofika, hofimamy, lofika, ofika, ofimamy, ovimamy, ovinala | 
| Helichrysum heterotrichum | ahitrandriana | 
| Dioscorea hexagona | kitaotao, kitaratara, kitaratasy, kitsaotsao, ovitsangana, voakisitany | 
| Faucherea hexandra | nanto, nantoentika, natoberavina, natolahy | 
| Leersia hexandra | ahikongona, hosihosy, merakapaha, tsiriry, vilona | 
| Oldenlandia heynei | kiamalomanta | 
| Oldenlandia heynii | ahibahiny, ahibitsika, arindranto, fozankoa, isipopoka, raiditra, taborimbahiny, tamborombahiny | 
| Amorphophallus hildebrandtii | kabijadolo, kabitsandolo, kabitso, kabitsodolo, maroko, marombony, tavolondambo, tavolongoaka | 
| Antidesma hildebrandtii | varona, varonala | 
| Bauhinia hildebrandtii | banaka, banakamena | 
| Blotia hildebrandtii | fanjavala, fanjavoala, maroando, voandavenona, voatonakala | 
| Dypsis hildebrandtii | tsirika | 
| Kalanchoe hildebrandtii | tambora, tamboro, toaremy | 
| Macaranga hildebrandtii | mokaranamavoravina, molanga | 
| Mezoneurum hildebrandtii | tsiafakomby | 
| Moringa hildebrandtii | felinimirongo, maroseranana | 
| Plectaneia hildebrandtii | mampisaraka, vahibarabanja | 
| Prockiopsis hildebrandtii | hazonadala, maroampototra | 
| Salvinia hildebrandtii | tsiazonafo | 
| Senecio hildebrandtii | rambonaomby, rambontsoavaly | 
| Stephanostegia hildebrandtii | anakanivato, andriambolafotsy, kironono, tsility | 
| Tambourissa hildebrandtii | ambora, amborala, amboralahy, amborasaha | 
| Weinmannia hildebrandtii | lalona, lalonaberavina, lalonavavy, rasa | 
| Dombeya hilsenbergii | afitra, ambaniakondro, hafopotsimadinidravina, hafopotsy, hafotra, hafotrambaniakondro, mampoza, somangana, tsomangamena | 
| Streptocarpus hilsenbergii | sanganakoholoko, tsimbolaotra | 
| Helmiopsis hily | andriambolafotsy, hazomadio, hily, mainaty, menahy, pisopisonala | 
| Cassia hippophallus | amboraka, haraky, latasoavaly, lazahazo, sambalahy, sangarovatsilahy, sarikomanga, tsambaravatsy | 
| Clerodendrum hircinum f. | vanginamboa | 
| Clerodendrum hircinum | anginamboay, antamba, sarifotsy | 
| Colea hirsuta | tsetsefinantsoy | 
| Indigofera hirsuta | engitratainakoho, famafasambo, patry, takotsifotra, tsiasotry | 
| Cucumis hirsutus | voahondro | 
| Chamaesyce hirta | ahidinono, ahidronono | 
| Clidemia hirta | tsitrotroka, voamaintibe | 
| Euphorbia hirta var. | ahidinono, kironono | 
| Euphorbia hirta | ahidinono, ahidronono, aidinono, fampinonoana, kironono, tambavy, tanampotsihelika, tsimenamena, zanraobera | 
| Hydrocotyle hirta | viliabetsahona | 
| Hyparrhenia hirta | andrantsiky, danga, kiverovato, kolafa, vero, veromanga, verombato, verotsanjy | 
| Conyza hirtella | anampozalahy, dingadingandrano, dingandingandrano | 
| Buchnera hispida | tamborintintina, tamborokijoa, tamborotintina | 
| Danais hispida | bongo | 
| Tragia hispida | agilahy | 
| Landolphia hispidula | fingimainty, fingomainty, marokaravina, saomaroka, soamaroka | 
| Acanthospermum hispidum | bakakely, fatika | 
| Clerodendrum hiulcum | antamba, fotsivony | 
| Stephanostegia holophaea var. | zanakanivato | 
| Stephanostegia holophaea | lintanambato, zanakanivato | 
| Dioscorea hombuka var. | ataza | 
| Dioscorea hombuka | homboka, kato | 
| Coursiana homolleana | tongobintsy | 
| Malleastrum horokoke | hororoke | 
| Pachypodium horombense | salotsa, somo, vontaka, vontakakely | 
| Brexia horombensis | reampy | 
| Mucuna horrida | agivavy, agy, hagy, takilotra, tangilotra, tankiloka, tsingonihoniagy | 
| Rhipsalis horrida | vahilotso | 
| Croton horridulus | silifotsy | 
| Hydrotriche hottoniiflora | hotona, kisangandrano, kisangandranolahy, kotona, volonkotona | 
| Croton hovarum | mandravasarotra, sily, tsilimainty | 
| Eugenia hovarum | rotra, rotragasy | 
| Bakerella hoyifolia | dinty, tongoalahy | 
| Andropogon huillensis | kipepaka | 
| Cissus humbertiana | kitohy, sandratohy | 
| Cryptocarya humbertiana | logodranomena, longodranomena, longotra, tsiramiramy | 
| Diospyros humbertiana | hazonta | 
| Isolona humbertiana | ambery, ambiry, kililo, ombary, roimbary | 
| Chlorophytum humbertianum | fanamato | 
| Dialypetalum humbertianum | reniomby, tsitiareniomby | 
| Oncostemum humbertianum | satoky | 
| Lepturus humbertianus | tsilavonomby | 
| Alluaudia humbertii | songombarika, sony | 
| Amyrea humbertii | hazondomohina | 
| Angraecum humbertii | velonarivotaona | 
| Antiaris humbertii | kovosy | 
| Brexia humbertii | hanana, marandravina, vahomanana, voakarepoka, voanana | 
| Coelocarpum humbertii | rombavola | 
| Commiphora humbertii | daro | 
| Croton humbertii | fandaiala, lazalaza, mangitranefiky, manitranefitra, mongilahy | 
| Diegodendron humbertii | ampoly, lekirina | 
| Digitaria humbertii | fandrodahy, fandropalana, volonondry | 
| Dypsis humbertii | tsinkaramboalavo, tsiriboalavo | 
| Elaeodendron humbertii | fanindravina, tsinefo | 
| Erythrophysa humbertii | handimbotsy | 
| Exacum humbertii | aferontanihazo | 
| Impatiens humbertii | kivolavola | 
| Macaranga humbertii | lavatsio, makarana | 
| Olax humbertii | remaitso | 
| Plagioscyphus humbertii | riapy, tsitakapaly | 
| Podocarpus humbertii | kinininala | 
| Polystachya humbertii | sonjomboay | 
| Protorhus humbertii | tsarataimbarika | 
| Tephrosia humbertii | voatelinondrivavy | 
| Thilachium humbertii | roravina | 
| Trema humbertii | andrarezina, ilaibaratra | 
| Vitex humbertii var. | sefontsohy | 
| Antiaris humberti | fato | 
| Diegodendron humberti | kisaka | 
| Eremolaena humblotiana | fotona, hamaninaombilahy | 
| Xylopia humblotiana | hazoambo | 
| Xylopia humblotiana | ambavilahy, bombana, fotsimavo, fotsivary, fotsivava, hazoambovavy, moragandahy, moranga, morangalahy, morangavavy, morange | 
| Alberta humblotii | menavony | 
| Eugenia humblotii | rotra | 
| Homalium humblotii | marakoditra, mataditra | 
| Mauloutchia humblotii | basibasy, hazomalanga, molotrandrago, rarà, raramainty, rarandambo, voararà, voararamolotrandrongo | 
| Ocotea humblotii | antafonona, tafona, tafonona, tafononafotsy, tafononamavo, tafonono, varongy | 
| Rhodolaena humblotii | fotona, hazomafana, malemisisika, voandrozana | 
| Weinmannia humblotii | lalona, lalondrevaka | 
| Emilia humifusa | anampoza, antsointsoinkary, ravintsarahazo, siasia, tsiontsiona, tsiotsiona, tsoina | 
| Psorospermum humile | tambitsy | 
| Amaranthus hybridus subsp. | kimoaembazaha, kimoaevavy, kimoembazaha, kimoevavy, taritaribazaha, tarobazaha | 
| Amaranthus hybridus var. | anampatsimena, komoay | 
| Amaranthus hybridus | anamena | 
| Camptolepis hygrophila | sarirotra | 
| Cuscuta hygrophila | bonaka | 
| Senecio hypargyraeus | mangatomandry | 
| Operculicarya hyphaenoides | sondririna, zabe, zaby | 
| Helichrysum hypnoides | itimandrahehatra, sava | 
| Arachis hypogaea | endim-boanjo, faikam-boanjo, kapika, kofomboanjo, pitasy, popoka, voahomitohy, voanjo, voanjo katra, voanjokotra, voanjolava, voanjombazaha, voanjomitohy | 
| Citrus hystrix | voangabe, voangibe | 
| Schizolaena hystrix | bemahova, hazoandatra, voantsiledaka | 
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