Endemics in Family Order

Apocynaceae
Hoya schneei
Lepinia ponapensis

Aquifoliaceae
Ilex volkensiana

Arecaceae
Clinostigma ponapensis
Ponapea hosinoi

Clusiaceae
Garcinia ponapensis var. ponapensis

Cyperaceae
Rhynchospora rugosa f. ponapensis

Elaeocarpaceae
Elaeocarpus kerstingianus

Euphorbiaceae
Claoxylon carolinianum
Croton ripensis

Fabaceae
Parkia korom

Lauraceae
Cinnamomum sessilifolium

Melastomataceae
Astronidium ponapense

Orchidaceae
Corybas ponapensis
Dendrobium adamsii
Diplocaulobium carolinense
Diplocaulobium flavicolle
Glomera carolinensis
Microtatorchis hosokawae
Moerenhoutia leucantha var. leucantha
Oberonia hosokawae
Oberonia ponapensis
Peristylis carolinensis
Phreatia carolinensis
Phreatia ponapensis
Phreatia pseudothompsonii
Pseudovanilla ponapensis
Thrixospermum arachnitiforme
Thrixospermum ponapense

Pandanaceae
Pandanus patina

Phyllanthaceae
Glochidion ponapensis
Glochidion senyavinianum

Piperaceae
Peperomia breviramula
Peperomia glassmanii

Poaceae
Isachne carolinensis

Polypodiaceae
Calymmodon ponapensis
Grammitis ponapensis
Oreogrammitis scleroglossoides

Primulaceae
Discocalyx ponapensis
Myrsine carolinensis
Myrsine ledermannii

Rubiaceae
Hedyotis uncinelloides
Psychotria lasianthoides
Psychotria merrillii
Psychotria rhombocarpoides

Rutaceae
Melicope ponapensis

Sapotaceae
Palaquium karrak

Thelypteridaceae
Cyclosorus ponapeanus

Urticaceae
Elatostema flumineorupestre


Endemics in Alphabetical Order

Astronidium ponapense
Calymmodon ponapensis
Cinnamomum sessilifolium
Claoxylon carolinianum
Clinostigma ponapensis
Corybas ponapensis
Croton ripensis
Cyclosorus ponapeanus
Dendrobium adamsii
Diplocaulobium carolinense
Diplocaulobium flavicolle
Discocalyx ponapensis
Elaeocarpus kerstingianus
Elatostema flumineorupestre
Garcinia ponapensis var. ponapensis
Glochidion ponapensis
Glochidion senyavinianum
Glomera carolinensis
Grammitis ponapensis
Hedyotis uncinelloides
Hoya schneei
Ilex volkensiana
Isachne carolinensis
Lepinia ponapensis
Melicope ponapensis
Microtatorchis hosokawae
Moerenhoutia leucantha
Myrsine carolinensis
Myrsine ledermannii
Oberonia hosokawae
Oberonia ponapensis
Oreogrammitis scleroglossoides
Palaquium karrak
Pandanus patina
Parkia korom
Peperomia breviramula
Peperomia glassmanii
Peristylis carolinensis
Phreatia carolinensis
Phreatia ponapensis
Phreatia pseudothompsonii
Ponapea hosinoi
Pseudovanilla ponapensis
Psychotria lasianthoides
Psychotria merrillii
Psychotria rhombocarpoides
Rhynchospora rugos f. ponapensis
Thrixospermum arachnitiforme
Thrixospermum ponapense


Summary

Included here is the Pacific island of Pohnpei (formerly Ponape) which is one of the Senyavin Islands in the larger Caroline Islands group. These in turn form part of the island group of Micronesia.

Of the endemic vascular plants so far recorded there are about 48 species and varieties in 38 genera and 22 families but no endemic genera. This list has recently been revised by Costion & Lorence (2012).

References

Costion, C. M. & Lorence, D. H. 2012. The Endemic Plants of Micronesia: A Geographical Checklist and Commentary. Micronesica, 43: 51-100.

Herrera, K., Lorence, D. H., Flynn, T. & Balick, M. J. 2010. Checklist of the vascular plants of Pohnpei, Federated States of Micronesia with local names and uses. Allertonia, 10: 1-204.

Lorence, D. H. & T. Flynn. 2009. Checklist of the vascular plants of Pohnpei. In: The Ethnobotany of Pohnpei: Plants, People and Island Culture. Ed. Michael J. Balick. University of Hawaii Press & New York Botanical Garden.