Plant Encyclopedia
Flowers of September 501 plants
Plants found in Japan that flower in September, in order of scientific name.
Acalypha australis (Asian copperleaf, "Enokigusa")
Achillea alpina subsp. alpina var. longiligulata (alpine yarrow, "Nokogiriso")
Achyranthes bidentata ("Inokozuchi")
Achyranthes bidentata var. fauriei ("Hinatainokozuchi")
Aconitum japonicum subsp. japonicum ("Yamatorikabuto")
Aconitum japonicum subsp. napiforme ("Tannatorikabuto")
Aconogonon weyrichii var. alpinum ("Ontade")
Aconogonon weyrichii var. weyrichii ("Urajirotade")
Actinostemma tenerum ("Gokizuru")
Adenocaulon himalaicum ("Nobuki")
Adenophora nikoensis var. nikoensis ("Himeshajin")
Adenophora nikoensis var. nikoensis f. nipponica ("Miyamashajin")
Adenophora remotiflora ("Sobana")
Adenophora triphylla var. japonica ("Tsuriganeninjin")
Adenophora triphylla var. triphylla ("Saiyoshajin")
Adenostemma lavenia ("Numadaikon")
Aeginetia indica (Indian broomrape, "Nanbangiseru")
Aeginetia sinensis ("Onanbangiseru")
Aeschynomene indica (Indian jointvetch, "Kusanemu")
Agastache rugosa (Korean mint, "Kawamidori")
Agrimonia nipponica ("Himekinmizuhiki")
Agrimonia pilosa ver. japonica ("Kinmizuhiki")
Ainsliaea acerifolia var. subapoda ("Okumomijihaguma")
Ainsliaea apiculata var. apiculata ("Kikkohaguma")
Ainsliaea corfifolia var. cordifolia ("Teishoso")
Ainsliaea dissecta ("Enshuhaguma")
Alisma canaliculatum var. canaliculatum (channelled water plantain, "Heraomodaka")
Alisma plantago-aquatica var. orientale ("Sajiomodaka")
Allium thunbergii (Thunberg's chive, "Yamarakkyo")
Allium tuberosum (Chinese chives, "Nira")
Alysicarpus bracteata subsp. edgeworthii f. alba ("Shirobanayabumame")
Amphicarpaea bracteata subsp. edgeworthii ("Yabumame")
Anaphalis margaritacea subsp. margaritacea var. margaritacea (western pearly everlasting, "Yamahahako")
Anemone hupehensis var. japonica (Chinese anemone, "Shumeigiku")
Anemonopsis macrophylla ("Rengeshoma")
Angelica decursiva ("Nodake")
Angelica genuflexa ("Obasenkyu")
Angelica keiskei ("Ashitaba")
Angelica polymorpha ("Shiranesenkyu")
Angelica pubescens var. pubescens ("Shishiudo")
Apios fortunei ("Hodoimo")
Aralia cordata var. cordata (udo, "Udo")
Artemisia arctica subsp. sachalinensis ("Samaniyomogi")
Artemisia capillaris (capillary wormwood, "Kawarayomogi")
Artemisia indica var. maximowiczii (Korean wormwood, "Yomogi")
Artemisia japonica subsp. japonica var. japonica ("Otokoyomogi")
Artemisia monophylla ("Hitotsubayomogi")
Artemisia pedunculosa ("Miyamaotokoyomogi")
Arundinella hirta ("Todashiba")
Arundo donax (giant cane, "Danchiku")
Aster ageratoides var. ageratoides ("Shiroyomena")
Aster ageratoides var. intermedius ("Keshiroyomena")
Aster arenarius ("Hamabenogiku")
Aster glehnii var. hondoensis ("Gomana")
Aster hispidus var. hispidus ("Yamajinogiku")
Aster iinumae ("Yugagiku")
Aster microcephalus var. ovatus ("Nokongiku")
Aster robustus ("Oyugagiku")
Aster scaber ("Shirayamagiku")
Aster tataricus (Tatarinow's aster, "Shion")
Aster yomena var. yomena
Atractylodes ovata (ovate-leaf atractylodes, "Okera")
Barnardia japonica var. japonica (Japanese jacinth, "Tsurubo")
Bidens bipinnata (Spanish needles beggar-ticks, "Kobanosendangusa")
Bidens tripartita var. tripartita (three-lobe beggartick, "Taukogi")
Bistorta officinalis subsp. japonica ("Ibukitorano")
Bistorta vivipara (alpine bistort, "Mukagotorano")
Boehmeria biloba ("Raseitaso")
Boehmeria gracilis ("Kusakoakaso")
Boehmeria japonica ("Yabumao")
Boehmeria nivea var. concolor ("Aokaramushi")
Boehmeria nivea var. concolor f. nipononivea ("Karamushi")
Boehmeria nivea var. nivea ("Nanbankaramushi")
Boehmeria platanifolia ("Meyabumao")
Boehmeria sieboldiana ("Nagabayabumao")
Boehmeria silvestrii ("Akaso")
Boehmeria spicata var. spicata ("Koakaso")
Boenninghausenia albiflora var. japonica ("Matsukazeso")
Burmannia championii ("Hinanoshakujo")
Calamagrostis epigeios (wood small-reed, "Yamaawa")
Calanthe masuca ("Onagaebine")
Campanula glomerata (clustered bellflower, "Rindozakikanpanyura")
Cardiandra alternifolia var. alternifolia ("Kusaajisai")
Carpesium abrotanoides ("Yabutabako")
Carpesium cernuum ("Koyabutabako")
Carpesium divaricatum ("Gankubiso")
Carpesium glossophyllum ("Sajigankubiso")
Carpesium macrocephalum ("Ogankubiso")
Caryopteris incana ("Dangiku")
Chamaecrista nomame ("Kawaraketsumei")
Chelonopsis moschata ("Jakoso")
Chengiopanax sciadophylloides ("Koshiabura")
Chenopodium acuminatum var. acuminatum ("Marubaakaza")
Chrysanthemum rupestre ("Iwainchin")
Cimicifuga biternata var. biternata ("Inushoma")
Cimicifuga simplex ("Sarashinashoma")
Circaea mollis ("Mizutamaso")
Cirsium amplexifolium ("Dakibahimeazami")
Cirsium buergeri ("Himeazami")
Cirsium chokaiense
Cirsium comosum var. incomptum ("Toneazami")
Cirsium dipsacolepis var. dipsacolepis ("Moriazami")
Cirsium japonicum subsp. japonicum var. japonicum ("Noazami")
Cirsium microspicatum var. microspicatum ("Azumayamaazami")
Cirsium nambuense ("Nanbutakaneazami")
Cirsium oligophyllum var. oligophyllum ("Noharaazami")
Cirsium pendulum var. pendulum ("Takaazami")
Cirsium sieboldii ("Kiseruazami")
Cirsium spicatum ("Yamaazami")
Cirsium suffultum ("Tsukushiazami")
Clematis apiifolia var. apiifolia ("Botanzuru")
Clematis apiifolia var. biternata ("Kobotanzuru")
Clematis lasiandra ("Takanehanshozuru")
Clematis stans var. stans ("Kusabotan")
Clematis terniflora var. terniflora (sweet autumn clematis, "Senninso")
Clerodendrum trichotomum var. trichotomum (harlequin glorybower, "Kusagi")
Clethra barbinervis (Japanese clethra, "Ryobu")
Clinopodium chinense subsp. chinense ("Okinawakurumabana")
Clinopodium chinense subsp. grandiflorum ("Kurumabana")
Clinopodium micranthum var. micranthum ("Inutobana")
Clinopodium multicaule var. multicaule ("Yamatobana")
Codariocalyx microphyllus ("Himenohagi")
Codonopsis lanceolata var. lanceolata ("Tsuruninjin")
Comanthosphace japonica ("Tenninso")
Comanthosphace stellipila var. stellipila ("Mikaeriso")
Commelina benghalensis (Benghal dayflower, "Marubatsuyukusa")
Commelina communis var. communis (Asiatic dayflower, "Tsuyukusa")
Commelina communis var. communis f. albiflora ("Shirobanatsuyukusa")
Commelina communis var. communis f. ciliata ("Ketsuyukusa")
Comospermum yedoense ("Keibiran")
Conandron ramondioides var. pilosus ("Keiwatabako")
Conioselinum filicinum ("Miyamasenkyu")
Corchoropsis crenata ("Karasunogoma")
Crepidiastrum denticulatum ("Yakushiso")
Crinum asiaticum var. japonicum (poison bulb, "Hamaomoto")
Crotalaria sessiliflora ("Tanukimame")
Cuscuta japonica (Japanese dodder, "Nenashikazura")
Cymbopogon tortilis var. goeringii ("Ogarukaya")
Dasiphora fruticosa var. fruticosa (shrubby cinquefoil, "Kinrobai")
Dasiphora fruticosa var. mandshurica ("Hakurobai")
Desmodium heterocarpon ("Shibahagi")
Dianthus japonicus (seashore pink, "Hamanadeshiko")
Dianthus superbus var. longicalycinus ("Kawaranadeshiko")
Dianthus superbus var. superbus ("Ezokawaranadeshiko")
Digitaria ciliaris (southern crabgrass, "Mehishiba")
Dioscorea bulbifera (air potato, "Nigakashu")
Diplocyclos palmatus (native Bryony, "Okinawasuzumeuri")
Diplomorpha ganpi
Diplomorpha trichotoma ("Kiganpi")
Dopatrium junceum ("Abunome")
Drosera spatulata ("Komosengoke")
Drosera tokaiensis subsp. tokaiensis
Dumasia truncata ("Nosasage")
Dunbaria villosa ("Noazuki")
Echinochloa crus-galli var. aristata ("Keinubie")
Echinochloa crus-galli var. crus-galli ("Inubie")
Echinochloa crus-galli var. praticola ("Himeinubie")
Echinochloa oryzicola ("Tainubie")
Echinops setifer ("Higotai")
Eclipta thermalis ("Takasaburo")
Elatostema densiflorum ("Tokihokori")
Elatostema involucratum ("Uwabamiso")
Elatostema laetevirens ("Yamatokihokori")
Eleusine indica (Indian goosegrass, "Ohishiba")
Elliottia paniculata ("Hotsutsuji")
Elsholtzia ciliata ("Naginatakoju")
Epilobium amurense subsp. cephalostigma ("Iwaakabana")
Epilobium pyrricholophum ("Akabana")
Eragrostis ferruginea ("Kazekusa")
Eragrostis minor (little lovegrass, "Kosuzumegaya")
Eriocaulon miquelianum var. miquelianum ("Inunohige")
Euchiton japonicus ("Chichikogusa")
Eupatorium glehnii ("Yotsubahiyodori")
Eupatorium japonicum ("Fujibakama")
Eupatorium laciniatum ("Sakebahiyodori")
Eupatorium lindleyanum var. lindleyanum ("Sawahiyodori")
Eupatorium makinoi ("Hiyodoribana")
Eupatorium makinoi var. makinoi ("Kikubahiyodori")
Euphorbia humifusa ("Nishikiso")
Fallopia japonica var. japonica (Asian knotweed, "Itadori")
Fallopia sachalinensis (giant knotweed, "Oitadori")
Fatoua villosa ("Kuwakusa")
Filipendula camtschatica ("Onishimotsuke")
Galium kinuta
Gentiana makinoi ("Oyamarindo")
Gentiana nipponica var. nipponica ("Miyamarindo")
Gentiana scabra var. buerugeri (Japanese gentian, "Rindo")
Gentiana triflora var. japonica ("Ezorindo")
Gentiana triflora var. japonica f. montana ("Ezoyamarindo")
Geranium robertianum ("Himefuro")
Geranium thunbergii ("Gennoshoko")
Geranium thunbergii f. pallidum ("Shirobanagennoshoko")
Geum aleppicum ("Odaikonso")
Geum japonicum ("Daikonso")
Glycine max subsp. soja var. soja ("Tsurumame")
Gonocarpus micranthus (creeping raspwort, "Arinotogusa")
Goodyera foliosa var. laevis ("Akebonoshusuran")
Goodyera hachijoensis var. hachijoensis f. izuohsimensis ("Oshimashusuran")
Goodyera schlechtendaliana ("Miyamauzura")
Gymnosporia diversifolia ("Haritsurumasaki")
Gynostemma pentaphyllum var. pentaphyllum ("Amachazuru")
Halenia corniculata ("Hanaikari")
Hemarthria sibirica ("Ushinoshippei")
Hemerocallis citrina var. vespertina ("Yusuge")
Hemerocallis fulva var. littorea ("Hamakanzo")
Heterosmilax japonica ("Karasukibasankirai")
Hosta longipes var. longipes ("Iwagiboshi")
Hoya carnosa (porcelainflower, "Sakuraran")
Humulus lupulus var. cordifolius ("Karahanaso")
Humulus scandens ("Kanamugura")
Hydrangea involucrata var. involucrata ("Tamaajisai")
Hydrangea paniculata ("Noriutsugi")
Hydrocotyle maritima ("Nochidome")
Hydrocotyle sibthorpioides (lawn marshpennywort, "Chidomegusa")
Hylodesmum oldhamii ("Fujikanzo")
Hylodesmum podocarpum subsp. oxyphyllum var. japonicum ("Nusubitohagi")
Hylodesmum podocarpum subsp. oxyphyllum var. mandshuricum ("Yabuhagi")
Hylotelephium erythrostictum (garden stonecrop, "Benkeiso")
Hylotelephium viride ("Aobenkei")
Hypericum ascyron subsp. ascyron var. ascyron (great St. Johnswort, "Tomoeso")
Impatiens hypophylla var. hypophylla ("Hagakuretsurifune")
Impatiens noli-tangere (Western touch-me-not, "Kitsurifune")
Impatiens textorii ("Tsurifuneso")
Impatiens textorii f. nudipedicellata ("Nameratsurifuneso")
Indigofera pseudotinctoria ("Komatsunagi")
Inula salicina var. asiatica ("Kasenso")
Ipomoea indica (blue dawn flower, "Noasagao")
Iris domestica (blackberry lily, "Hiogi")
Isodon effusus ("Sekiyanoakichoji")
Isodon inflexus ("Yamahakka")
Isodon japonicus var. japonicus ("Hikiokoshi")
Isodon longitubus ("Akichoji")
Isodon trichocarpus ("Kurobanahikiokoshi")
Isodon umbrosus var. latifolius ("Koshin'yamahakka")
Isodon umbrosus var. leucanthus f. kameba ("Kamebahikiokoshi")
Ixeris repens ("Hamanigana")
Juncus decipiens ("Igusa")
Juncus tenuis (path rush, "Kusai")
Justicia procumbens var. leucantha f. japonica ("Kitsunenomago")
Keiskea japonica ("Shimobashira")
Kummerowia striata (Japanese clover, "Yahazuso")
Lagerstroemia subcostata var. subcostata ("Shimasarusuberi")
Laportea bulbifera ("Mukagoirakusa")
Laportea cuspidata ("Miyamairakusa")
Leibnitzia anandria ("Senbon'yari")
Leontopodium japonicum var. japonicum ("Usuyukiso")
Leonurus japonicus (Oriental motherwort, "Mehajiki")
Leptochloa chinensis (red sprangletop, "Azegaya")
Lespedeza bicolor var. bicolor (shrubby bushclover, "Yamahagi")
Lespedeza cuneata var. cuneata ("Medohagi")
Lespedeza cuneata var. serpens ("Haimedohagi")
Lespedeza cyrtobotrya ("Marubahagi")
Lespedeza homoloba ("Tsukushihagi")
Lespedeza pilosa var. pilosa ("Nekohagi")
Lespedeza thunbergii subsp. patens ("Kehagi")
Libanotis ugoensis var. japonica ("Ibukibofu")
Libanotis ugoensis var. ugoensis ("Hamaibukibofu")
Ligularia fischeri ("Otakarako")
Ligularia stenocephala ("Metakarako")
Ligusticum scothicum ("Marubatoki")
Lilium leichtlinii f. leichtlinii ("Kihiradoyuri")
Lilium leichtlinii f. pseudotigrinum ("Koniyuri")
Lilium speciosum ("Kanokoyuri")
Lilium speciosum var. clivorum ("Takiyuri")
Limnophila chinensis subsp. aromatica ("Shisokusa")
Limnophila sessiliflora (dwarf ambulia, "Kikumo")
Limonium tetragonum ("Hamasaji")
Linaria japonica ("Unran")
Lindernia crustacea ("Urikusa")
Lindernia procumbens ("Azena")
Liriope muscari (big blue lilyturf, "Yaburan")
Lithocarpus glaber ("Shiribukagashi")
Lobelia chinensis (Asian lobelia, "Mizokakushi")
Lobelia sessilifolia ("Sawagikyo")
Lophatherum gracile ("Sasakusa")
Lotus corniculatus var. japonicus ("Miyakogusa")
Ludwigia epilobioides subsp. epilobioides ("Chojitade")
Lycianthes biflora ("Mejirohozuki")
Lycium chinense (Chinese boxthorn, "Kuko")
Lycopus cavaleriei ("Koshirone")
Lycopus lucidus ("Shirone")
Lycopus maackianus ("Himeshirone")
Lycopus uniflorus (northern bugleweed, "Ezoshirone")
Lycoris (genus, hurricane lilies)
Lycoris radiata var. radiata (hurricane lily, "Higanbana")
Lycoris sanguinea var. sanguinea ("Kitsunenokamisori")
Lycoris traubii (golden spider lily, "Shokizuisen")
Lycoris × albiflora ("Shirobanamanjushage")
Mazus pumilus ("Tokiwahaze")
Melampyrum laxum var. nikkoense ("Miyamamamakona")
Melampyrum roseum var. japonicum ("Mamakona")
Melanthera prostrata ("Nekonoshita")
Melilotus officinalis subsp. suaveolens (yellow sweet clover, "Shinagawahagi")
Mentha canadensis (American wild mint, "Hakka")
Miscanthus floridulus (Pacific Island silvergrass, "Tokiwasusuki")
Miscanthus oligostachyus var. oligostachyus ("Kariyasumodoki")
Miscanthus sacchariflorus (Amur silvergrass, "Ogi")
Miscanthus sinensis (eulalia, "Susuki")
Miscanthus tinctorius ("Kariyasu")
Mitrasacme pygmaea ("Ainae")
Mollugo stricta ("Zakuroso")
Monochoria vaginalis var. vaginata ("Konagi")
Mosla dianthera ("Himejiso")
Mosla scabra ("Inukoju")
Murdannia keisak ("Ibokusa")
Murraya paniculata var. exotica (orange jasmine, "Gekkitsu")
Mussaenda parviflora var. parviflora ("Konronka")
Nabalus acerifolius ("Fukuoso")
Nabalus tanakae ("Onigana")
Neanotis hirsuta var. glabra ("Ohashikagusa")
Neanotis hirsuta var. hirsuta ("Hashikagusa")
Nipponanthemum nipponicum (Nippon daisy, "Hamagiku")
Nuphar japonica (East Asian yellow water-lily, "Kohone")
Nymphaea tetragona var. tetragona ("Hitsujigusa")
Nymphoides indica (banana plant, "Gagabuta")
Ophiopogon jaburan ("Noshiran")
Oplismenus undulatifolius var. japinicus ("Kochijimizasa")
Oplismenus undulatifolius var. undulatifolius ("Kechijimizasa")
Orostachys malacophylla var. iwarenge ("Iwarenge")
Osmanthus fragrans var. aurantiacus f. thunbergii ("Usugimokusei")
Ostericum sieboldii ("Yamazeri")
Ottelia alismoides ("Mizuobako")
Paederia foetida (skunkvine, "Hekusokazura")
Panicum bisulcatum ("Nukakibi")
Parasenecio adenostyloides ("Kanikomori")
Parasenecio delphiniifolius var. delphiniifolius ("Momijigasa")
Parasenecio maximowiczianus var. maximowiczianus ("Komoriso")
Parasenecio nikomontanus ("Okanikomori")
Parasenecio tanakae ("Inudona")
Parasenecio tebakoensis
Parnassia alpicola ("Himeumebachiso")
Parnassia foliosa var. foliosa ("Shirahigeso")
Parnassia palustris var. palustris (marsh grass of Parnassus, "Umebachiso")
Patrinia scabiosifolia ("Ominaeshi")
Patrinia villosa ("Otokoeshi")
Pedicularis nipponica ("Onishiogama")
Pedicularis resupinata subsp. teucriifolia var. caespitosa ("Tomoeshiogama")
Pedicularis yezoensis var. yezoensis ("Ezoshiogama")
Pennisetum alopecuroides (Chinese pennisetum, "Chikarashiba")
Pennisetum alopecuroides f. viridescens (Chinese pennisetum, "Aochikarashiba")
Penthorum chinense ("Takonoashi")
Perilla citriodora ("Remon'egoma")
Perilla hirtella ("Toranojiso")
Perillula reptans ("Suzukoju")
Peristrophe japonica ("Haguroso")
Persicaria debilis ("Miyamatanisoba")
Persicaria filiformis ("Mizuhiki")
Persicaria filiformis f. albiflora ("Ginmizuhiki")
Persicaria japonica ("Shirobanasakuratade")
Persicaria longiseta ("Inutade")
Persicaria maculosa subsp. hirticaulis var. pubescens ("Harutade")
Persicaria muricata ("Yanonegusa")
Persicaria neofiliformis ("Shinmizuhiki")
Persicaria nepalensis ("Tanisoba")
Persicaria odorata subsp. conspicua ("Sakuratade")
Persicaria perfoliata ("Ishimikawa")
Persicaria posumbu var. posumbu ("Hanatade")
Persicaria sagittata ("Unagitsukami")
Persicaria senticosa ("Mamakonoshirinugui")
Persicaria thunbergii var. thunbergii ("Mizosoba")
Persicaria trigonocarpa ("Hosobainutade")
Pertya rigidula ("Kurumabahaguma")
Pertya robusta var. robusta ("Kashiwabahaguma")
Pertya scandens ("Koyaboki")
Phedimus aizoon var. aizoon ("Hosobanokirinso")
Phragmites australis ("Yoshi")
Phragmites japonicus ("Tsuruyoshi")
Phragmites karka ("Seitakayoshi")
Phyla nodiflora (frog fruit, "Iwadareso")
Phyllanthus lepidocarpus ("Komikanso")
Phytolacca japonica ("Maruminoyamagobo")
Picris hieracioides subsp. japonica var. japonica ("Kozorina")
Pilea hamaoi ("Mizu")
Pilea pumila ("Aomizu")
Plantago asiatica (Chinese plantain, "Obako")
Platycodon grandiflorus (balloon flower, "Kikyo")
Pogostemon yatabeanus ("Mizutorano")
Pollia japonica ("Yabumyoga")
Polygonum aviculare subsp. aviculare (common knotgrass, "Michiyanagi")
Pterocypsela indica ("Akinonogeshi")
Pueraria lobata subsp. lobata (kudzu)
Ranunculus silerifolius ("Kitsunenobotan")
Reineckea carnea ("Kichijoso")
Rhus javanica (Chinese sumac, "Nurude")
Rhynchosia volubilis ("Tankirimame")
Rhynchospermum verticillatum ("Shubunso")
Rorippa cantoniensis ("Koinugarashi")
Rorippa dubia ("Michibatagarashi")
Rorippa indica ("Inugarashi")
Rubus buergeri ("Fuyuichigo")
Sagittaria pygmaea (dwarf arrowhead, "Urikawa")
Sagittaria trifolia var. trifolia (arrowhead, "Omodaka")
Salvia glabrescens var. glabrescens ("Akigiri")
Salvia japonica ("Akinotamuraso")
Salvia nipponica var. nipponica ("Kibanaakigiri")
Sanguisorba albiflora ("Shirobanatouchiso")
Sanguisorba hakusanensis var. hakusanensis (Korean mountain burnet, "Karaitoso")
Sanguisorba officinalis (great burnet, "Waremoko")
Sanicula chinensis ("Umanomitsuba")
Saussurea pulchella ("Himehigotai")
Saussurea sessiliflora ("Kurotohiren")
Saussurea triptera var. triptera ("Yahazuhigotai")
Saxifraga cortusifolia var. cortusifolia ("Jinjiso")
Saxifraga fortunei var. alpina ("Daimonjiso")
Scabiosa japonica var. alpina ("Takanematsumushiso")
Scaevola taccada ("Kusatobera")
Schizopepon bryoniifolius ("Miyamanigauri")
Schoenoplectus hondoensis ("Miyamahotarui")
Schoenoplectus triangulatus ("Kangarei")
Schoenoplectus triqueter ("Sankakui")
Scirpus wichurae ("Aburagaya")
Scrophularia duplicatoserrata ("Hinanosutsubo")
Scutellaria strigillosa ("Namikiso")
Senecio cannabifolius ("Hangonso")
Senecio nemorensis ("Kion")
Serratula coronata subsp. insularis ("Tamuraso")
Setaria faberi ("Akinoenokorogusa")
Setaria pallidefusca ("Kotsubukin'enokoro")
Setaria pumila (yellow foxtail, "Kin'enokoro")
Sida rhombifolia subsp. rhombifolia (arrowleaf sida, "Kingojika")
Sigesbeckia glabrescens ("Komenamomi")
Sigesbeckia pubescens ("Menamomi")
Silene akaisialpina ("Takanebiranji")
Silene baccifera var. japonica ("Nanbanhakobe")
Silene firma f. pubescens ("Kefushiguro")
Silene miqueliana ("Fushigurosenno")
Siphonostegia chinensis ("Hikiyomogi")
Siphonostegia laeta ("Ohikiyomogi")
Sium ninsi ("Mukagoninjin")
Solanum japonense var. japonense ("Yamahoroshi")
Solanum lyratum var. lyratum ("Hiyodorijogo")
Solanum maximowiczii ("Marubanohoroshi")
Solanum nigrum ("Inuhozuki")
Solidago virgaurea subsp. asiatica var. asiatica ("Akinokirinso")
Solidago virgaurea subsp. leiocarpa var. leiocarpa f. japonalpestris ("Miyamaakinokirinso")
Spathoglottis plicata (Philippine ground orchid, "Kotoshiran")
Spodiopogon cotulifer var. cotulifer ("Aburasusuki")
Spodiopogon sibiricus ("Oaburasusuki")
Sporobolus fertilis var. fertilis ("Nezumino")
Spuriopimpinella calycina ("Kanotsumeso")
Stachys aspera var. hispidula ("Inugoma")
Stellaria media (common chickweed, "Kohakobe")
Stellaria neglecta (greater chickweed, "Midorihakobe")
Stellaria nipponica var. nipponica ("Iwatsumekusa")
Stellaria uliginosa var. undulata ("Nominofusuma")
Strobilanthes oligantha ("Suzumushibana")
Swertia bimaculata ("Akebonoso")
Swertia japonica var. japonica ("Senburi")
Swertia pseudochinensis ("Murasakisenburi")
Syneilesis palmata ("Yaburegasa")
Synurus excelsus ("Habayamabokuchi")
Synurus pungens var. pungens ("Oyamabokuchi")
Tanacetum vulgare var. boreale (common tansy, "Ezoyomogigiku")
Tetragonia tetragonoides (New Zealand spinach, "Tsuruna")
Teucrium japonicum ("Nigakusa")
Teucrium viscidum var. miquelianum ("Tsurunigakusa")
Thalictrum aquilegiifolium var. intermedium ("Karamatsuso")
Thalictrum minus var. hypoleucum ("Akikaramatsu")
Tilingia ajanensis var. ajanensis ("Shiraneninjin")
Tilingia tachiroei ("Miyamauikyo")
Titanotrichum oldhamii ("Matsumuraso")
Torenia concolor ("Tsururikusa")
Trapa japonica ("Hishi")
Trapa natans var. pumila ("Konibishi")
Triantha japonica ("Iwashobu")
Trichosanthes cucumeroides ("Karasuri")
Trichosanthes kirilowii var. japonica ("Kikarasuri")
Tricyrtis affinis ("Yamajinohototogisu")
Tricyrtis flava subsp. flava ("Kibananohototogisu")
Tricyrtis formosana ("Taiwanhototogisu")
Tricyrtis hirta var. hirta (toad lily, "Hototogisu")
Tricyrtis hirta var. hirta f. albescens ("Shirohototogisu")
Tricyrtis latifolia var. latifolia ("Tamagawahototogisu")
Tricyrtis latifolia var. makinoana ("Hagoromohototogisu")
Tricyrtis macranthopsis ("Kiijorohototogisu")
Tricyrtis macropoda var. macropoda ("Yamahototogisu")
Tripora divaricata ("Kariganeso")
Tripterospermum japonicum var. japonicum ("Tsururindo")
Tristellateia australasiae ("Koshunkazura")
Trollius japonicus ("Shinanokinbai")
Tubocapsicum anomalum var. anomalum ("Hadakahozuki")
Tylophora aristolochioides ("Okamomezuru")
Typhonium blumei ("Ryukyuhange")
Ulmus parvifolia (Chinese elm, "Akinire")
Urtica thunbergiana ("Irakusa")
Utricularia bifida ("Mimikakigusa")
Utricularia caerulea (blue bladderwort, "Hozakinomimikakigusa")
Utricularia ×japonica ("Tanukimo")
Verbena officinalis (common vervain, "Kumatsuzura")
Veronica ornata ("Toteiran")
Veronicastrum axillare ("Toranosuzukake")
Vicia amoena ("Tsurufujibakama")
Vicia cracca (tufted vetch, "Kusafuji")
Vicia cracca f. albida ("Shirobanakusafuji")
Vicia unijuga var. unijuga ("Nantenhagi")
Vigna angularis var. nipponensis ("Yabutsuruazuki")
Vincetoxicum macranthum var. sublanceolatum ("Kobanokamomezuru")
Vitex rotundifolia (roundleaf chastetree, "Hamago")
Youngia japonica ("Onitabirako")
Zehneria japonica ("Suzumeuri")
Zingiber mioga (mioga)