Endemics in Family Order

Adoxaceae
Viburnum tashiroi

Aquifoliaceae
Ilex dimorphophylla
Ilex kusanoi

Arecaceae
Satakentia
Satakentia liukiuensis

Aristolochiaceae
Geotaenium gelasinum
Heterotropa fudsinoi

Asteraceae
Aster miyagii

Burmanniaceae
Oxygyne shinzatoi
Oxygyne yamashitae

Diapensiaceae
Shortia rotundifolia

Ericaceae
Vaccinium amamianum

Hydrangeaceae
Cardiandra amamiohshimensis
Deutzia naseana var amanoi
Hydrangea scandens ssp liukiuensis

Oxalidaceae
Oxalis amamiana

Pentaphylacaceae
Adinandra ryukyuensis

Pinaceae
Pinus luchuensis

Poaceae
Chikusichloa brachyathera

Rhamnaceae
Rhamnus kanagusuki

Rutaceae
Zanthoxylum amamiense

Sapindaceae
Acer itoanum

Theaceae
Schima wallichii ssp liukiuensis

Violaceae
Viola amamiana
Viola maculicola
Viola utchinensis


Endemics in Alphabetical Order

Acer itoanum
Adinandra ryukyuensis
Aster miyagii
Cardiandra amamiohshimensis
Chikusichloa brachyathera
Corydalis balansae
Deutzia naseana var amanoi
Geotaenium gelasinum
Heterotropa fudsinoi
Hydrangea scandens ssp liukiuensis
Ilex dimorphophylla
Ilex kusanoi
Oxalis amamiana
Oxygyne shinzatoi
Oxygyne yamashitae
Pinus luchuensis
Rhamnus kanagusuki
Satakentia
Satakentia liukiuensis
Schima wallichii ssp liukiuensis
Shortia rotundifolia
Vaccinium amamianum
Viburnum tashiroi
Viola amamiana
Viola maculicola
Viola utchinensis
Zanthoxylum amamiense


Summary

Included here are the Ryukyu Archipelago situated between Kyushu and Taiwan, and comprising Okinawa, Ishigaki, Iriomote, Tokuno-Shima, and the Amami and Tokara islands. There are more than 60 islands the largest of which is Okinawa.

Of the endemic vascular plants so far recorded there are about 25 species in 22 genera and 18 families. There is one endemic genus (marked red) but no endemic families.

References

Numata, M. (ed). 1974. The flora and vegetation of Japan. Elsevier Scientific Publishing Company.