Endemics in Family Order

Adoxaceae
Viburnum boninsimense

Apiaceae
Peucedanum boninense

Apocynaceae
Excavatia hexandra
Neisosperma nakaianum
Trachelospermum asiaticum

Aquifoliaceae
Ilex beecheyi
Ilex matanoana
Ilex mertensii
Ilex percoriacea

Araliaceae
Boninofatsia oligocarpella

Arecaceae
Clinostigma savoryana
Livistona boninensis

Aspleniaceae
Asplenium ikenoi
Asplenium micantifrons

Asteraceae
Cirsium boninense
Cirsium toyoshimae
Dendrocacalia
Dendrocacalia crepidifolia
lxeris ameristophylla
lxeris grandicolla
lxeris linguaefolia
Ixeris longirostrata

Campanulaceae
Lobelia boninensis

Cannabaceae
Celtis boninensis

Celastraceae
Euonymus boninensis

Crassulaceae
Sedum boninense

Cucurbitaceae
Trichosanthes boninensis

Cyatheaceae
Cyathea mertensiana
Cyathea ogurae

Cyperaceae
Carex augustini
Carex hattoriana
Carex toyoshimae
Rhynchospora boninensis

Dryopteridaceae
Bolbitis boninensis
Ctenitis microlepigera
Dryopteris insularis

Elaeagnaceae
Elaeagnus rotundata

Elaeocarpaceae
Elaeocarpus photiniifolia
Elaeocarpus sylvestris var. pachycarpus

Ericaceae
Rhododendron boninense
Vaccinium boninense

Euphorbiaceae
Claoxylon centenarium
Liodendron integerrimum

Fabaceae
Erythrina variegata

Hamamelidaceae
Distylium lepidotum

Hymenophyllaceae
Crepidomanes latealatum
Crepidomanes minutum

Lamiaceae
Ajuga boninsimae
Callicarpa glabra
Callicarpa nishimurae
Callicarpa subpubescens
Scutellaria longituba

Lauraceae
Cinnamomum pseudopedunculatum
Evodia inermis
Evodia kawagaiana
Evodia mishimurae
Machilus boninensis
Machilus kobu
Machilus pseudokobu
Neolitsea boninensis

Lindsaeaceae
Lindsaea repanda

Loganiaceae
Geniostoma glabrum

Lomariopsidaceae
Lomariopsis boninensis

Malvaceae
Talipariti glabrum

Marattiaceae
Angiopteris boninensis
Marattia boninensis
Marattia tuyamae

Melastomataceae
Melastoma tetramerum

Moraceae
Ficus boninsimae
Ficus iidana
Ficus nishimurae
Morus boninensis

Myrtaceae
Metrosideros boninensis
Syzygium buxifolium var. cleyerifolium

Oleaceae
Ligustrum micranthum

Orchidaceae
Bulbophyllum boninense
Calanthe hattorii
Corymborchis subdensa
Eulophia toyoshimae
Gastrodia boninensis
Goodyera augustini
Goodyera hachijoensis var. boninensis
Liparis hostifolia
Luisia boninensis
Luisia brachycarpa
Malaxis boninensis
Platanthera boninensis
Zeuxine boninensis

Orobanchaceae
Orobanche boninsimae

Pandanaceae
Freycinetia boninensis
Pandanus boninensis
Pandanus furusei

Pentaphylacaceae
Eurya japonica var. boninensis

Phyllanthaceae
Phyllanthus boninsimae

Piperaceae
Peperomia boninsimensis
Piper umbellatum

Pittosporaceae
Pittosporum beecheyi
Pittosporum boninense
Pittosporum chichijimense
Pittosporum parvifolium

Poaceae
Aristida boninensis
Digitaria platycarpha
Ischaemum ischaemoides
Miscanthus boninensis
Paspalidium tuyamae

Polypodiaceae
Loxogramme boninensis
Loxogramme toyoshimae
Microsorium masaskei
Microsorium subnormale
Pleopeltis boniniensis

Portulacaceae
Portulaca boninensis,

Primulaceae
Lysimachia mauritiana var. rubida
Myrsine maximowiczii
Rapanea maximowiczii var. okabeana

Pteridaceae
Adiantum ogasawarense
Pteris boninensis
Vittaria bonincola
Vittaria ogasawarensis

Ranunculaceae
Clematis terniflora var. boninensis

Rosaceae
Osteomeles boninensis
Osteomeles lanata
Rhaphiolepis integerrima
Rubus nikaii

Rubiaceae
Bouvardia ternifolia
Gardenia boninensis
Hedyotis leptopetala
Leptopetalum grayi
Leptopetalum pachyphyllum
Morinda umbellata var. boninensis
Psychotria boninensis
Psychotria homalosperma
Tarenna subsessilis

Rutaceae
Boninia
Boninia glabra
Melicope grisea
Zanthoxylum ailanthoides var. ailanthoides

Santalaceae
Santalum boninense

Sapindaceae
Sapindus boninensis

Sapotaceae
Sersalisia boninensis

Schizaeaceae
Schizaea digitata

Scrophulariaceae
Myoporum boninense

Solanaceae
Lycianthes boninensis
Lycium griseolum
Tubocapsicum boninense

Stachyuraceae
Stachyurus macrocarpus

Symplocaceae
Symplocos boninense
Symplocos kawakamii
Symplocos pergracilis

Theaceae
Schima mertensiana

Thelypteridaceae
Thelypteris boninensis
Wagneriopteris ogasawarensis

Thymelaeaceae
Wikstroemia pseudoretusa

Triuridaceae
Sciaphila boninensis
Sciaphila okabeana

Urticaceae
Boehmeria boninensis
Procris boninensis

Woodsiaceae
Diplazium longicarpum
Diplazium subtripinnatum
Lunathyrium bonincola

Zingiberaceae
Alpinia bilamellata
Alpinia boninsimensis


Endemics in Alphabetical Order

Adiantum ogasawarense
Ajuga boninsimae
Alpinia bilamellata
Alpinia boninsimensis
Angiopteris boninensis
Aristida boninensis
Asplenium ikenoi
Asplenium micantifrons
Boehmeria boninensis
Bolbitis boninensis
Boninia
Boninia glabra
Boninofatsia oligocarpella
Bouvardia ternifolia
Bulbophyllum boninense
Calanthe hattorii
Callicarpa glabra
Callicarpa nishimurae
Callicarpa subpubescens
Carex augustini
Carex hattoriana
Carex toyoshimae
Celtis boninensis
Cinnamomum pseudopedunculatum
Cirsium boninense
Cirsium toyoshimae
Claoxylon centenarium
Clematis terniflora var. boninensis
Clinostigma savoryana
Corymborchis subdensa
Crepidomanes latealatum
Crepidomanes minutum
Ctenitis microlepigera
Cyathea mertensiana
Cyathea ogurae
Dendrocacalia
Dendrocacalia crepidifolia
Digitaria platycarpha
Diplazium longicarpum
Diplazium subtripinnatum
Distylium lepidotum
Dryopteris insularis
Elaeagnus rotundata
Elaeocarpus photiniifolia
Elaeocarpus sylvestris var. pachycarpus
Erythrina variegata
Eulophia toyoshimae
Euonymus boninensis
Eurya japonica var. boninensis
Evodia inermis
Evodia kawagaiana
Evodia mishimurae
Excavatia hexandra
Ficus boninsimae
Ficus iidana
Ficus nishimurae
Freycinetia boninensis
Gardenia boninensis
Gastrodia boninensis
Geniostoma glabrum
Goodyera augustini
Goodyera hachijoensis var. boninensis
Hedyotis leptopetala
Ilex beecheyi
Ilex matanoana
Ilex mertensii
Ilex percoriacea
Ischaemum ischaemoides
Ixeris longirostrata
Leptopetalum grayi
Leptopetalum pachyphyllum
Ligustrum micranthum
Lindsaea repanda
Liodendron integerrimum
Liparis hostifolia
Livistona boninensis
Lobelia boninensis
Lomariopsis boninensis
Loxogramme boninensis
Loxogramme toyoshimae
Luisia boninensis
Luisia brachycarpa
Lunathyrium bonincola
lxeris ameristophylla
lxeris grandicolla
lxeris linguaefolia
Lycianthes boninensis
Lycium griseolum
Lysimachia mauritiana var. rubida
Machilus boninensis
Machilus kobu
Machilus pseudokobu
Malaxis boninensis
Marattia boninensis
Marattia tuyamae
Melastoma tetramerum
Melicope grisea
Metrosideros boninensis
Microsorium masaskei
Microsorium subnormale
Miscanthus boninensis
Morinda umbellata var. boninensis
Morus boninensis
Myoporum boninense
Myrsine maximowiczii
Neisosperma nakaianum
Neolitsea boninensis
Orobanche boninsimae
Osteomeles boninensis
Osteomeles lanata
Pandanus boninensis
Pandanus furusei
Paspalidium tuyamae
Peperomia boninsimensis
Peucedanum boninense
Phyllanthus boninsimae
Piper umbellatum
Pittosporum beecheyi
Pittosporum boninense
Pittosporum chichijimense
Pittosporum parvifolium
Platanthera boninensis
Pleopeltis boniniensis
Portulaca boninensis,
Procris boninensis
Psychotria boninensis
Psychotria homalosperma
Pteris boninensis
Rapanea maximowiczii var. okabeana
Rhaphiolepis integerrima
Rhododendron boninense
Rhynchospora boninensis
Rubus nikaii
Santalum boninense
Sapindus boninensis
Schima mertensiana
Schizaea digitata
Sciaphila boninensis
Sciaphila okabeana
Scutellaria longituba
Sedum boninense
Sersalisia boninensis
Stachyurus macrocarpus
Symplocos boninense
Symplocos kawakamii
Symplocos pergracilis
Syzygium buxifolium var. cleyerifolium
Talipariti glabrum
Tarenna subsessilis
Thelypteris boninensis
Trachelospermum asiaticum
Trichosanthes boninensis
Tubocapsicum boninense
Vaccinium boninense
Viburnum boninsimense
Vittaria bonincola
Vittaria ogasawarensis
Wagneriopteris ogasawarensis
Wikstroemia pseudoretusa
Zanthoxylum ailanthoides var. ailanthoides
Zeuxine boninensis


Summary

Included here are the Bonin and Volcano islands situated in the eastern Pacific approximately 840 km southeast of Japan. The Bonin Islands are known to the Japanese as the Ogasawara Islands.

Of the endemic vascular plants so far recorded there are about 160 species in 120 genera and 65 families. There are 2 endemic genera (marked red) but no endemic families.

References

Balgooy, Van. M. M. J. 1960. Preliminary plant geographical analysis of the Pacific. Blumea, 10: 385-430.

Hosokawa, T. 1934. Phytogeographical relationship between the Bonin and the Marianne islands laying stress upon the distribution of families, genera and species of their vernacular plants. Journal Soc.Tropical Agriculture, 6: 201-278.

Ito, M, Soejima, A. & Ono, M. 1998. Genetic diversity of the endemic plants of the Bonin (Ogasawara) Islands.  In: Evolution and Speciation of Island Plants. Eds. T. S. Stuessy &  M. Ono. Cambridge University Press.

Kobayashi, S. 1978. A list of vascular plants occuring in the Ogasawara (Bonin) Islands. Ogasawara Research, 1: 1-33.

Nakai, T. 1930. The flora of the Bonin Islands. Bulletin of the Biogeographical Society of Japan, 1: 249-278.

Ono. M. 1998. Conervation of the endemic vascular plant species of the Bonin Islands. In: Evolution and Speciation of Island Plants. Eds. T. S. Stuessy &  M. Ono. Cambridge University Press.

Tuyama, T. 1972. The status of the Bonin Islands flora in the Pacific. In: Floristics and Paleofloristics of Asia and eastern North America. Ed. A. Graham. Elsevier Publishing Company.