
Plant Encyclopedia
Scientific names: H 551 plants
- Habenaria dentata ("Daisagiso")
- Habenaria linearifolia
- Habenaria linearifolia var. brachycentra ("Himemizutonbo")
- Habenaria linearifolia var. linearifolia ("Omizutonbo")
- Habenaria pantlingiana ("Namerasagiso")
- Habenaria polytricha ("Itohikisagiso")
- Habenaria sagittifera ("Mizutonbo")
- Habenaria stenopetala ("Nagabasagiso")
- Habranthus (genus, copperlily, "Haburansasu")
- Habranthus robustus (pink rain lily)
- Habranthus tubispathus (Rio Grande copperlily)
- Hackelia deflexa ("Iwamurasaki")
- Hackelochloa granularis ("Yaegaya")
- Haemanthus albiflos (paintbrush, "Mayuhakeomoto")
- Hainardia cylindrica ("Harinoho")
- Hakonechloa macra ("Urahagusa")
- Halenia corniculata ("Hanaikari")
- Halenia corniculata f. purpurea ("Murasakihanaikari")
- Halerpestes kawakamii ("Himekinpoge")
- Halodule pinifolia ("Matsubaumijigusa")
- Halodule pinifolia × Halodule uninervis ("Matsuniraumijigusa")
- Halodule tridentata ("Hosobaumijigusa")
- Halodule tridentata × Halodule uninervis ("Hosoniraumijigusa")
- Halodule uninervis ("Umijigusa")
- Halophila decipiens ("Togeumihirumo")
- Halophila gaudichaudii ("Koban'umihirumo")
- Halophila major ("Omihirumo")
- Halophila major × Halophila nipponica ("Tanabeumihirumo")
- Halophila mikii
- Halophila minor ("Himeumihirumo")
- Halophila nipponica ("Yamatomihirumo")
- Halophila okinawensis ("Hosomihirumo")
- Halophila ovalis ("Umihirumo")
- Haloragis walkeri ("Tanegashimaarinotogusa")
- Hamamelis japonica
- Hamamelis japonica var. bitchuensis ("Atetsumansaku")
- Hamamelis japonica var. discolor
- Hamamelis japonica var. discolor f. auriflora ("Koganemansaku")
- Hamamelis japonica var. discolor f. discolor ("Urajiromarubamansaku")
- Hamamelis japonica var. discolor f. flavopurpurascens ("Nishikimansaku")
- Hamamelis japonica var. discolor f. incarnata ("Akabanamansaku")
- Hamamelis japonica var. discolor f. obtusata ("Marubamansaku")
- Hamamelis japonica var. japonica (Japanese witch hazel, "Mansaku")
- Hamamelis japonica var. japonica f. glauca ("Urajiromansaku")
- Hamamelis japonica var. japonica f. megalophylla ("Obamansaku")
- Hamamelis mollis (Chinese witch hazel, "Shinamansaku")
- Hancockia uniflora ("Himekurisoran")
- Handroanthus chrysotrichus (golden trumpet tree, "Koganenozen")
- Haplopteris amboinensis ("Obashishiran")
- Haplopteris ensiformis ("Himeshishiran")
- Haplopteris flexuosa ("Shishiran")
- Haplopteris flexuosa × Haplopteris fudzinoi ("Setoshishiran")
- Haplopteris fudzinoi ("Nakamishishiran")
- Haplopteris mediosora ("Itoshishiran")
- Haplopteris zosterifolia ("Amamoshishiran")
- Haraella retrocalla ("Nioiran")
- Hardenbergia (genus)
- Hardenbergia violacea (false sarsaparilla, "Hitotsubamame")
- Harrimanella stelleriana ("Jimukade")
- Haworthia (genus)
- Hebe (genus)
- Hedera canariensis (Canarian ivy)
- Hedera helix (common ivy, "Seiyokizuta")
- Hedera rhombea (Japanese ivy, "Kizuta")
- Hedera rhombea f. oblongifolia ("Nagabakizuta")
- Hedera rhombea f. pedunculata ("Nagabokizuta")
- Hedychium (genus)
- Hedychium carneum ("Nikuiroshukusha")
- Hedychium coronarium (white garland-lily, "Hanashukusha")
- Hedychium gardnerianum (Kahili ginger, "Kibanashukusha")
- Hedyotis chrysotricha ("Kobanmugura")
- Hedyotis hookeri ("Marubashimasakura")
- Hedyotis leptopetala ("Shimazakura")
- Hedyotis pachyphylla ("Atsubashimazakura")
- Hedyotis paniculata ("Shimasonaremugura")
- Hedyotis strigulosa
- Hedyotis strigulosa var. coreana ("Sonaremugura")
- Hedyotis strigulosa var. luxurians ("Osonaremugura")
- Hedyotis strigulosa var. parvifolia ("Nagaesonaremugura")
- Hedyotis tenelliflora
- Hedyotis tenelliflora var. longipes ("Nagaekenioigusa")
- Hedyotis tenelliflora var. tenelliflora ("Kenioigusa")
- Hedyotis uncinella ("Nioigusa")
- Hedyotis verticillata ("Hirohakenioigusa")
- Hedysarum hedysaroides ("Karafutogenge")
- Hedysarum hedysaroides f. neglectum ("Chishimagenge")
- Hedysarum vicioides subsp. japonicum var. japonicum ("Iwaogi")
- Hedysarum vicioides subsp. japonicum var. japonicum f. pilosum ("Keiwaogi")
- Helenium (genus)
- Helenium autumnale (ommon sneezeweed, "Dangogiku")
- Helenium tenuifolium ("Matsubaharushagiku")
- Helianthus annuus (common sunflower, "Himawari")
- Helianthus argophyllus (silverleaf sunflower, "Shirotaehimawari")
- Helianthus cucumerifolius (cucumberleaf sunflower, "Himehimawari")
- Helianthus decapetalus ("Nohimawari")
- Helianthus mollis (ashy sunflower)
- Helianthus salicifolius (willowleaf sunflower, "Yanagibahimawari")
- Helianthus strumosus (paleleaf woodland sunflower, "Inukikuimo")
- Helianthus tuberosus (Jerusalem artichoke, "Kikuimo")
- Helianthus ×multiflorus ("Kohimawari")
- Helichrysum italicum subsp. serotinum (curry plant)
- Helichrysum petiolare (silver bush everlastingflower)
- Helicia cochinchinensis ("Yamamogashi")
- Helicia formosana ("Taiwan'yamamogashi")
- Heliconia (genus, lobster-claws)
- Helicteres angustifolia ("Yanbarugoma")
- Helictotrichon hideoi ("Misayamachahiki")
- Heliopsis helianthoides (ox-eye sunflower, "Kikuimomodoki")
- Heliotropium amplexicaule (clasping heliotrope, "Dakibanioimurasaki")
- Heliotropium arborescens (garden heliotrope)
- Heliotropium curassavicum ("Arechimurasaki")
- Heliotropium foertherianum (velvetleaf soldierbush, "Monpanoki")
- Heliotropium indicum (Indian heliotrope, "Nanbanruriso")
- Heliotropium japonicum ("Sunabikiso")
- Helleborus (genus)
- Helleborus lividus subsp. corsicus (Corsican hellebore)
- Helleborus niger (hellebores)
- Helleborus orientalis
- Helminthostachys zeylanica ("Miyakojimahanawarabi")
- Helonias breviscapa ("Tsukushishojobakama")
- Helonias breviscapa var. breviscapa ("Tsukushishojobakama")
- Helonias breviscapa var. flavide ("Shirobanashojobakama")
- Helonias kawanoi ("Koshojobakama")
- Helonias leucantha ("Oshiroshojobakama")
- Helonias orientalis ("Shojobakama")
- Helwingia japonica
- Helwingia japonica subsp. japonica
- Helwingia japonica subsp. japonica var. japonica ("Hanaikada")
- Helwingia japonica subsp. japonica var. japonica f. lancifolia ("Hosobanohanaikada")
- Helwingia japonica subsp. japonica var. parvifolia ("Kobanohanaikada")
- Helwingia japonica subsp. liukiuensis ("Ryukyuhanaikada")
- Hemarthria compressa ("Kobanoshinoshippei")
- Hemarthria sibirica ("Ushinoshippei")
- Hemerocallis (genus, daylily)
- Hemerocallis citrina var. vespertina ("Yusuge")
- Hemerocallis dumortieri
- Hemerocallis dumortieri var. dumortieri ("Himekanzo")
- Hemerocallis dumortieri var. esculenta ("Zenteika")
- Hemerocallis dumortieri var. exaltata ("Tobishimakanzo")
- Hemerocallis fulva
- Hemerocallis fulva var. aurantiaca ("Nishinohamakanzo")
- Hemerocallis fulva var. disticha ("Nokanzo")
- Hemerocallis fulva var. kwanso ("Yabukanzo")
- Hemerocallis fulva var. littorea ("Hamakanzo")
- Hemerocallis fulva var. longituba ("Benikanzo")
- Hemerocallis fulva var. pauciflora ("Himenokanzo")
- Hemerocallis fulva var. sempervirens ("Akinowasuregusa")
- Hemerocallis hakuunensis
- Hemerocallis lilioasphodelus var. yezoensis ("Ezokisuge")
- Hemerocallis major ("Tokanzo")
- Hemerocallis minor (dwarf day lily, "Hosobakisuge")
- Hemerocallis Usugesho
- Hemiboea bicornuta ("Tsunogiriso")
- Hemigraphis reptans ("Hirohasagigoke")
- Hemisteptia lyrata ("Kitsuneazami")
- Hemisteptia lyrata f. nivea ("Shirobanakitsuneazami")
- Hemizygia (genus)
- Hepatica nobilis var. japonica
- Hepatica nobilis var. japonica f. japonica ("Misumiso")
- Hepatica nobilis var. japonica f. lutea ("Echizenmisumiso")
- Hepatica nobilis var. japonica f. magna ("Omisumiso")
- Hepatica nobilis var. japonica f. pubescens ("Kesuhamaso")
- Hepatica nobilis var. japonica f. variegata ("Suhamaso")
- Heptacodium miconioides (seven son flower, "Nanakobana")
- Heracleum lanatum
- Heracleum lanatum f. dissectum ("Kirehaohanaudo")
- Heracleum lanatum f. rubriflorum ("Benibanaohanaudo")
- Heracleum lanatum subsp. akasimontanum ("Hosobahanaudo")
- Heracleum lanatum subsp. lanatum ("Ohanaudo")
- Heracleum sphondylium
- Heracleum sphondylium var. nipponicum ("Hanaudo")
- Heracleum sphondylium var. turugisanense ("Tsurugihanaudo")
- Heritiera littoralis ("Sakishimasuonoki")
- Herminium lanceum ("Mukagoso")
- Herminium monorchis ("Kushirochidori")
- Hernandia nymphaeifolia (jack in the box, "Hasunohagiri")
- Herniaria glabra ("Kogomebiyu")
- Hesperis matronalis (dame's rocket, "Hanasuzushiro")
- Hetaeria oblongifolia ("Okageroran")
- Heteranthera limosa (ducksalad, "Amerikakonagi")
- Heteranthera zosterifolia ("Tsuruamerikakonagi")
- Heteropogon contortus ("Akahigegaya")
- Heteropogon triticeus ("Usuakahigegaya")
- Heterosmilax japonica ("Karasukibasankirai")
- Heterotheca subaxillaris ("Arechioguruma")
- Heterotropa sugimotoi ("Okinoshimakan'aoi")
- Heterotropa × mitanii ("Sanukikan'aoi")
- Heuchera (genus, alumroot)
- Hibanobambusa tranquillans ("In'yochiku")
- Hibbertia riparia (erect guinea-flower)
- Hibbertia scandens (snake vine)
- Hibbertia stellaris (star guinea flower)
- Hibiscus (genus, China rose, "Haibisukasu")
- Hibiscus (genus, "Taitanbikasu")
- Hibiscus cannabinus (kenaf)
- Hibiscus coccineus (scarlet rosemallow, "Momijiaoi")
- Hibiscus glaber ("Montenboku")
- Hibiscus hamabo
- Hibiscus hamabo f. albiflorus ("Shirobanahamabo")
- Hibiscus makinoi ("Sakishimafuyo")
- Hibiscus moscheutos (rose mallow, "Amerikafuyo")
- Hibiscus mutabilis (confederate rose, "Fuyo")
- Hibiscus mutabilis ‘Versicolor’ ("Suifuyo")
- Hibiscus pacificus ("Iotofuyo")
- Hibiscus radiatus (monarch rosemallow, "Akabanatogeaoi")
- Hibiscus rosa-sinensis (China rose, "Bussoge")
- Hibiscus sabdariffa (roselle)
- Hibiscus schizopetalus (fringed rosemallow, "Furinbussoge")
- Hibiscus syriacus (rose-of-Sharon, "Mukuge")
- Hibiscus tiliaceus ("Ohamabo")
- Hibiscus trionum (flower of an hour, "Ginsenka")
- Hieracium alpinum (alpine hawkweed, "Chishimatanpopo")
- Hieracium japonicum ("Miyamakozorina")
- Hieracium maculatum (spotted hawkweed, "Uzurabatanpopo")
- Hieracium umbellatum ("Yanagitanpopo")
- Hippeastrum × hybridum (amaryllis)
- Hippobroma longiflora (star of Bethlehem, "Hoshiazami")
- Hippuris tetraphylla ("Hirohasuginamo")
- Hippuris vulgaris ("Suginamo")
- Hiptage benghalensis ("Usubasaruno")
- Hirschfeldia incana ("Arechigarashi")
- Histiopteris incisa ("Yunomineshida")
- Holcus lanatus (Yorkshire fog, "Shiragegaya")
- Holcus mollis ("Niseshiragegaya")
- Hololeion fauriei ("Manshusuiran")
- Hololeion krameri ("Suiran")
- Holosteum umbellatum ("Kagizakehakobe")
- Homeria (genus, Cape tulip)
- Honckenya peploides var. major ("Hamahakobe")
- Hordeum brachyantherum ("Chishimamugikusa")
- Hordeum hystrix ("Himemugikusa")
- Hordeum jubatum (bobtail barley, "Hosonogemugi")
- Hordeum marinum ("Hamamugikusa")
- Hordeum murinum
- Hordeum murinum subsp. leporinum ("Omugikusa")
- Hordeum murinum subsp. murinum ("Mugikusa")
- Hordeum nodosum ("Hosomugikusa")
- Hordeum pusillum ("Minatomugikusa")
- Hordeum vulgare (common barley, "Omugi")
- Hornungia alpina ("Takanekarakusanazuna")
- Hosiea japonica ("Kurotakikazura")
- Hosta (genus, hostas, "Giboshi")
- Hosta alata ("Bungogiboshi")
- Hosta capitata ("Kanzashigiboshi")
- Hosta hypoleuca ("Urajirogiboshi")
- Hosta kikutii
- Hosta kikutii var. densinervia ("Awagiboshi")
- Hosta kikutii var. kikutii ("Hyugagiboshi")
- Hosta kikutii var. kikutii f. leuconota ("Urajirohyugagiboshi")
- Hosta kikutii var. polyneuron ("Sudaregiboshi")
- Hosta kikutii var. scabrinervia ("Zaratsukigiboshi")
- Hosta kikutii var. tosana ("Tosanogiboshi")
- Hosta kikutii × Hosta longissima ("Hyugamizugiboshi")
- Hosta kiyosumiensis
- Hosta longipes
- Hosta longipes var. aequinoctiiantha ("Ohigangiboshi")
- Hosta longipes var. caduca ("Saikokuiwagiboshi")
- Hosta longipes var. gracillima ("Himeiwagiboshi")
- Hosta longipes var. latifolia ("Izuiwagiboshi")
- Hosta longipes var. longipes ("Iwagiboshi")
- Hosta longissima ("Mizugiboshi")
- Hosta longissima f. albiflora ("Shirobanamizugiboshi")
- Hosta longissima × Hosta sieboldii f. spathulata ("Mizukobagiboshi")
- Hosta plantaginea var. plantaginea ("Marubatamanokanzashi")
- Hosta pulchella ("Ubatakegiboshi")
- Hosta pycnophylla ("Setochigiboshi")
- Hosta rupifraga ("Hachijogiboshi")
- Hosta shikokiana
- Hosta sieboldiana var. condensata ("Tokudamagiboshi")
- Hosta sieboldiana var. fluctuans ("Kuronamigiboshi")
- Hosta sieboldiana var. glabra ("Namerugiboshi")
- Hosta sieboldiana var. hypophylla ("Hagakuregiboshi")
- Hosta sieboldiana var. nigrescens ("Kurogiboshi")
- Hosta sieboldiana var. sieboldiana ("Togiboshi")
- Hosta sieboldii
- Hosta sieboldii var. intermedia ("Kogiboshi")
- Hosta sieboldii var. rectifolia ("Tachigiboshi")
- Hosta sieboldii var. rectifolia f. albiflora ("Shirobanatachigiboshi")
- Hosta sieboldii var. rectifolia f. atropurpurea ("Kurobanagiboshi")
- Hosta sieboldii var. rectifolia f. leucantha ("Shirobanayachigiboshi")
- Hosta sieboldii var. rectifolia f. pruinosa ("Tonokotachigiboshi")
- Hosta sieboldii var. sieboldii
- Hosta sieboldii var. sieboldii f. alba ("Shirobanakobagiboshi")
- Hosta sieboldii var. sieboldii f. campanulata ("Tsuriganegiboshi")
- Hosta sieboldii var. sieboldii f. spathulata (Siebold's Plantain Lily, "Kobagiboshi")
- Hosta tardiva ("Nankaigiboshi")
- Hosta tsushimensis
- Hosta tsushimensis var. tibae ("Nagasakigiboshi")
- Hosta tsushimensis var. tsushimensis
- Hosta tsushimensis var. tsushimensis f. albiflora ("Shirobanatsushimagiboshi")
- Hosta venusta (handsome plantain lily, "Otomegiboshi")
- Hosta × alismifolia ("Barangiboshi")
- Houstonia caerulea (azure bluet, "Hinaso")
- Houttuynia cordata (fish mint, "Dokudami")
- Houttuynia cordata f. viridis ("Midoridokudami")
- Hovenia acerba ("Shinakenponashi")
- Hovenia dulcis (Japanese raisin tree, "Kenponashi")
- Hovenia dulcis f. deviata ("Ogonkenponashi")
- Hovenia trichocarpa var. robusta ("Kekenponashi")
- Hoya carnosa (porcelainflower, "Sakuraran")
- Hoya lanceolata subsp. bella (miniature wax plant)
- Huernia (genus)
- Humata repens ("Kikushinobu")
- Humata trifoliata ("Shimakikushinobu")
- Humulus lupulus var. cordifolius ("Karahanaso")
- Humulus lupulus var. lupulus (common hop, "Hoppu")
- Humulus scandens ("Kanamugura")
- Huperzia carinata ("Bokazura")
- Huperzia cryptomerina ("Sugiran")
- Huperzia cunninghamioides ("Koyozankazura")
- Huperzia fargesii ("Himosugiran")
- Huperzia fordii ("Nankakuran")
- Huperzia miyoshiana ("Himesugiran")
- Huperzia miyoshiana × Huperzia selago ("Sakabasugiran")
- Huperzia phlegmaria ("Yorakuhiba")
- Huperzia salvinioides ("Himeyorakuhiba")
- Huperzia selago ("Kosugiran")
- Huperzia serrata ("Togeshiba")
- Huperzia serrata var. longipetiolata ("Onitogeshiba")
- Huperzia serrata var. serrata f. intermedia ("Hirohanotogeshiba")
- Huperzia serrata var. serrata f. serrata ("Hosobatogeshiba")
- Huperzia sieboldii
- Huperzia sieboldii var. christenseniana ("Ryukyuhimoran")
- Huperzia sieboldii var. sieboldii ("Himoran")
- Huperzia somae ("Kosugitogeshiba")
- Hyacinthoides (genus, bluebells)
- Hyacinthoides (genus)
- Hyacinthus orientalis (common hyacinth, "Hiashinsu")
- Hydrangea (genus, "Karakonterigi")
- Hydrangea arborescens ‘Annabelle’
- Hydrangea chinensis var. yaeyamensis ("Yaeyamakonterigi")
- Hydrangea febrifuga (Chinese quinine, "Jozan'ajisai")
- Hydrangea hirta (nettle-leaved hydrangea, "Koajisai")
- Hydrangea hirta f. albiflora ("Shirobanakoajisai")
- Hydrangea hirta f. laminalis ("Midorikoajisai")
- Hydrangea hirta × Hydrangea scandens ("Chichibuajisai")
- Hydrangea involucrata
- Hydrangea involucrata var. idzuensis ("Raseitatamaajisai")
- Hydrangea involucrata var. involucrata ("Tamaajisai")
- Hydrangea involucrata var. involucrata f. leucantha ("Shirobanatamaajisai")
- Hydrangea involucrata var. involucrata f. multiplex ("Yorakutamaajisai")
- Hydrangea involucrata var. involucrata f. plenissima ("Kokonoetamaajisai")
- Hydrangea involucrata var. involucrata f. sterilis ("Temaritamaajisai")
- Hydrangea involucrata var. tokarensis ("Tokaratamaajisai")
- Hydrangea kawagoeana
- Hydrangea kawagoeana var. grosseserrata ("Yakushimaajisai")
- Hydrangea kawagoeana var. kawagoeana ("Tokaraajisai")
- Hydrangea liukiuensis
- Hydrangea luteovenosa
- Hydrangea luteovenosa var. luteovenosa ("Kogakutsugi")
- Hydrangea luteovenosa var. yakusimensis ("Yakushimagakutsugi")
- Hydrangea macrophylla
- Hydrangea macrophylla f. macrophylla (hortensia, "Ajisai")
- Hydrangea macrophylla f. normalis ("Gakuajisai")
- Hydrangea macrophylla f. nuda ("Fuchinashigakuajisai")
- Hydrangea macrophylla f. rosea ("Gakuso")
- Hydrangea paniculata ("Noriutsugi")
- Hydrangea paniculata f. debilis ("Hidakanoriutsugi")
- Hydrangea paniculata f. grandiflora ("Minazuki")
- Hydrangea paniculata f. velutina
- Hydrangea petiolaris ("Tsuruajisai")
- Hydrangea petiolaris f. hypoleuca ("Urajirogotozuru")
- Hydrangea quercifolia (oakleaf hydrangea, "Kashiwabaajisai")
- Hydrangea scandens ("Gakutsugi")
- Hydrangea scandens f. rosea ("Benigakutsugi")
- Hydrangea serrata
- Hydrangea serrata var. angustata ("Amagiamacha")
- Hydrangea serrata var. australis ("Nangokuyamaajisai")
- Hydrangea serrata var. minamitanii ("Hyugaajisai")
- Hydrangea serrata var. serrata (mountain hydrangea, "Yamaajisai")
- Hydrangea serrata var. serrata f. belladonna ("Maikoajisai")
- Hydrangea serrata var. serrata f. plena ("Yaenoyamaajisai")
- Hydrangea serrata var. serrata f. prolifera ("Shichidanka")
- Hydrangea serrata var. serrata f. rosalba ("Benigaku")
- Hydrangea serrata var. yesoensis ("Ezoajisai")
- Hydrangea sikokiana ("Yahazuajisai")
- Hydrangea sp. aff. Hydrangea aspera ("Nankaiajisai")
- Hydrangea × amagiana
- Hydrangea × mizushimarum
- Hydrilla verticillata ("Kuromo")
- Hydrobryum floribundum ("Usukawagoromo")
- Hydrobryum japonicum ("Kawagoromo")
- Hydrobryum koribanum ("Oyodokawagoromo")
- Hydrobryum puncticulatum ("Yakushimakawagoromo")
- Hydrocharis dubia ("Tochikagami")
- Hydrocotyle batrachium ("Takasagonochidome")
- Hydrocotyle dichondrioides ("Kechidomegusa")
- Hydrocotyle javanica (Java pennywort, "Obachidome")
- Hydrocotyle maritima ("Nochidome")
- Hydrocotyle pseudoconferta ("Taiwanchidomegusa")
- Hydrocotyle ramiflora ("Ochidome")
- Hydrocotyle ranunculoides ("Burajiruchidomegusa")
- Hydrocotyle sibthorpioides (lawn marshpennywort, "Chidomegusa")
- Hydrocotyle tuberifera ("Okinawachidomegusa")
- Hydrocotyle verticillata var. triradiata (whorled pennywort, "Uchiwazenikusa")
- Hydrocotyle yabei
- Hydrocotyle yabei var. japonica ("Miyamachidome")
- Hydrocotyle yabei var. yabei ("Himechidome")
- Hygrophila salicifolia ("Oginotsume")
- Hylocereus (genus, dragon fruit)
- Hylodesmum laterale ("Ryukyunusubitohagi")
- Hylodesmum laxum ("Obanusubitohagi")
- Hylodesmum leptopus ("Tokiwayabuhagi")
- Hylodesmum oldhamii ("Fujikanzo")
- Hylodesmum oldhamii f. album ("Shirobanafujikanzo")
- Hylodesmum podocarpum subsp. fallax ("Keyabuhagi")
- Hylodesmum podocarpum subsp. fallax f. album ("Shirobanakeyabuhagi")
- Hylodesmum podocarpum subsp. oxyphyllum
- Hylodesmum podocarpum subsp. oxyphyllum var. japonicum ("Nusubitohagi")
- Hylodesmum podocarpum subsp. oxyphyllum var. japonicum f. albiflorum ("Shirobananusubitohagi")
- Hylodesmum podocarpum subsp. oxyphyllum var. japonicum f. decorum ("Okichihagi")
- Hylodesmum podocarpum subsp. oxyphyllum var. mandshuricum ("Yabuhagi")
- Hylodesmum podocarpum subsp. oxyphyllum var. mandshuricum f. leucanthum ("Shirobanayabuhagi")
- Hylodesmum podocarpum subsp. podocarpum ("Marubanusubitohagi")
- Hylomecon japonica ("Yamabukiso")
- Hylomecon japonica f. dissecta ("Seribayamabukiso")
- Hylomecon japonica f. lanceolata ("Hosobayamabukiso")
- Hylomecon japonica f. palliflavens ("Usuiroyamabukiso")
- Hylotelephium cauticola ("Hidakamisebaya")
- Hylotelephium erythrostictum (garden stonecrop, "Benkeiso")
- Hylotelephium pallescens (live forever, "Murasakibenkeiso")
- Hylotelephium pluricaule ("Karafutomisebaya")
- Hylotelephium sieboldii
- Hylotelephium sieboldii var. ettyuense ("Etchumisebaya")
- Hylotelephium sieboldii var. sieboldii ("Misebaya")
- Hylotelephium sordidum
- Hylotelephium sordidum var. oishii ("Ochichippabenkei")
- Hylotelephium sordidum var. sordidum ("Chichippabenkei")
- Hylotelephium spectabile (showy stonecrop, "Obenkeiso")
- Hylotelephium ussuriense var. tsugaruense ("Tsugarumisebaya")
- Hylotelephium verticillatum
- Hylotelephium verticillatum var. lithophilos ("Shodoshimabenkeiso")
- Hylotelephium verticillatum var. verticillatum ("Mitsubabenkeiso")
- Hylotelephium verticillatum var. verticillatum f. bulbiferum ("Komochimitsubabenkeiso")
- Hylotelephium viride ("Aobenkei")
- Hymenasplenium apogamum ("Taiwanhobishida")
- Hymenasplenium cardiophyllum
- Hymenasplenium cheilosorum ("Usubakujaku")
- Hymenasplenium excisum ("Rahaoshida")
- Hymenasplenium filipes ("Otomehobishida")
- Hymenasplenium hondoense ("Hobishida")
- Hymenasplenium mitanii
- Hymenasplenium murakami-hatanakae ("Nangokuhobishida")
- Hymenasplenium obliquissimum ("Yakushimahobishida")
- Hymenasplenium subnormale ("Usuirohobishida")
- Hymenocallis (genus, spider lily)
- Hymenocallis littoralis (green-tinge spiderlily, "Sasaganiyuri")
- Hymenophyllum badium ("Okokeshinobu")
- Hymenophyllum barbatum ("Koyakokeshinobu")
- Hymenophyllum coreanum
- Hymenophyllum denticulatum
- Hymenophyllum mikawanum
- Hymenophyllum oligosorum ("Kiyosumikokeshinobu")
- Hymenophyllum polyanthos ("Hosobakokeshinobu")
- Hymenophyllum riukiuense
- Hymenophyllum wrightii ("Kokeshinobu")
- Hyophorbe lagenicaulis (bottle palm, "Tokkuriyashi")
- Hyparrhenia rufa ("Hipparigaya")
- Hypericum (genus)
- Hypericum androsaemum (sweet-amber, "Kobozuotogiri")
- Hypericum asahinae ("Daisen'otogiri")
- Hypericum ascyron
- Hypericum ascyron subsp. ascyron
- Hypericum ascyron subsp. ascyron var. ascyron (great St. Johnswort, "Tomoeso")
- Hypericum ascyron subsp. ascyron var. longistylum ("Otomoeso")
- Hypericum ascyron subsp. gebleri ("Himetomoeso")
- Hypericum calycinum ("Seiyokinshibai")
- Hypericum erectum ("Otogiriso")
- Hypericum erectum var. caespitosum ("Fujiotogiri")
- Hypericum erectum var. deviatum ("Niseotogiri")
- Hypericum erectum var. erectum ("Otogiriso")
- Hypericum erectum var. erectum f. perforatum ("Meiten'otogiri")
- Hypericum erectum var. erectum f. takeutianum ("Yosaotogiri")
- Hypericum erectum × Hypericum kiusianum ("Osawaotogiri")
- Hypericum frondosum ("Amerikaotogiri")
- Hypericum furusei
- Hypericum gracillimum ("Okuyamaotogiri")
- Hypericum hachijyoense
- Hypericum hakonense ("Kotogiri")
- Hypericum hakonense f. imperforatum ("Kurotenkotogiri")
- Hypericum iwatelittorale ("Shiokazeotogiri")
- Hypericum japonicum ("Himeotogiri")
- Hypericum kamtschaticum ("Haiotogiri")
- Hypericum kawaranum
- Hypericum kimurae ("Mineotogiri")
- Hypericum kinashianum ("Miyakotogiri")
- Hypericum kitamense
- Hypericum kiusianum
- Hypericum kiusianum var. kiusianum ("Nagasakiotogiri")
- Hypericum kiusianum var. yakusimense ("Yakushimakotogiri")
- Hypericum kurodakeanum ("Ezoyamaotogiri")
- Hypericum laxum ("Kokeotogiri")
- Hypericum majus ("Okanadaotogiri")
- Hypericum momoseanum ("Seitakaotogiri")
- Hypericum monogynum ("Biyoyanagi")
- Hypericum mutilum ("Tomisatotogiri")
- Hypericum nakaii
- Hypericum nakaii subsp. miyabei ("Togeotogiri")
- Hypericum nakaii subsp. nakaii ("Samaniotogiri")
- Hypericum nakaii subsp. tatewakii ("Shiratoriotogiri")
- Hypericum nikkoense
- Hypericum nuporoense
- Hypericum oliganthum ("Azeotogiri")
- Hypericum ovalifolium
- Hypericum ovalifolium subsp. hisauchii ("Togakushiotogiri")
- Hypericum ovalifolium subsp. ovalifolium ("Oshinanotogiri")
- Hypericum patulum ("Kinshibai")
- Hypericum perforatum
- Hypericum perforatum subsp. chinense ("Kogomebaotogiri")
- Hypericum perforatum subsp. perforatum (St. John's wort, "Seiyotogiri")
- Hypericum pipairense ("Obaotogiri")
- Hypericum pseudoerectum ("Tanimanotogiri")
- Hypericum pseudopetiolatum ("Sawaotogiri")
- Hypericum sampsonii ("Tsukinukiotogiri")
- Hypericum senanense
- Hypericum senanense subsp. mutiloides ("Iwaotogiri")
- Hypericum senanense subsp. senanense ("Shinanotogiri")
- Hypericum senkakuinsulare
- Hypericum sikokumontanum ("Takaneotogiri")
- Hypericum tosaense
- Hypericum vulcanicum ("Oshimaotogiri")
- Hypericum watanabei ("Kurotenshiratoriotogiri")
- Hypericum yamamotoanum ("Sengen'otogiri")
- Hypericum yamamotoi ("Mashikeotogiri")
- Hypericum yezoense ("Ezotogiri")
- Hypericum yojiroanum ("Daisetsuhinaotogiri")
- Hypericum × hyugamontanum ("Kumoiotogiri")
- Hypericum ×inodorum (tall tutsan)
- Hypericum ×moserianum
- Hypericum ‘Hidcote’
- Hypochaeris crepidioides ("Ezokozorina")
- Hypochaeris glabra (smooth cat's ear, "Himebutana")
- Hypochaeris radicata (catsear, "Butana")
- Hypodematium crenatum
- Hypodematium crenatum subsp. fauriei ("Kinmowarabi")
- Hypodematium fordii ("Ryukyukinmowarabi")
- Hypodematium glandulosopilosum ("Kekinmowarabi")
- Hypoestes phyllostachya (polka dot plant)
- Hypolepis alpina ("Seitakaiwahimewarabi")
- Hypolepis alpina × Hypolepis punctata ("Aiiwahimewarabi")
- Hypolepis punctata ("Iwahimewarabi")
- Hypolepis tenuifolia ("Oiwahimewarabi")
- Hypopitys monotropa ("Shakujoso")
- Hypoxis aurea ("Kokinbaizasa")
- Hyptis brevipes ("Nantoiganigakusa")
- Hyptis rhomboidea ("Iganigakusa")
- Hyptis suaveolens ("Nioinigakusa")
- Hystrix duthiei
- Hystrix duthiei subsp. japonica ("Iwatakeso")
- Hystrix duthiei subsp. longearistata ("Azumagaya")
- Hystrix komarovii ("Ainumugi")