Endemics in Family Order

Arecaceae
Euterpe precatoria
Rooseveltia frankliniana

Bromeliaceae
Guzmania sanguinea

Cyatheaceae
Cyathea multiflora
Cyathea notabilis
Trichipteris nesiotica

Cyperaceae
Kyllinga nudiceps

Fabaceae
Caesalpinia eriostachys

Humiriaceae
Sacoglottis holdridgei

Hymenophyllaceae
Trichomanes capillaceum var. cocos

Lauraceae
Ocotea insularis

Lycopodiaceae
Huperzia brachiata

Melastomataceae
Conostegia lasiopoda
Ossaea macrophylla

Myrtaceae
Eugenia pacifica

Orchidaceae
Epidendrum insulanum

Poaceae
Chloris paniculata

Rubiaceae
Hoffmannia piratarum

Urticaceae
Cecropia pittieri


Endemics in Alphabetical Order

Caesalpinia eriostachys
Cecropia pittieri
Chloris paniculata
Conostegia lasiopoda
Cyathea multiflora
Cyathea notabilis
Epidendrum insulanum
Eugenia pacifica
Euterpe precatoria
Guzmania sanguinea
Hoffmannia piratarum
Huperzia brachiata
Kyllinga nudiceps
Ocotea insularis
Ossaea macrophylla
Rooseveltia frankliniana
Sacoglottis holdridgei
Trichipteris nesiotica
Trichomanes capillaceum var. cocos


Summary

Included here is Cocos Island situated in the central eastern Pacific about 523 km southwest of Costa Rica. It is the largest uninhabited island in the World with a surface area of 46.6 square kms.

Of the endemic and near endemic vascular plants so far recorded there are about 18 species in 17 genera and 15 families but there is reported to be 70 so further information is required. Rooseveltia? There are no endemic families but Humiriaceae is exclusively neotropic except for one species found in tropical West Africa.

References

Fosberg, F. R. & Klawe, W. L. 1966. Preliminary list of plants from Cocos Island. In: The Galápagos. Proceedings of the Symposia of the Galápagos International Scientific Project. Ed. R. I. Bowman. University of California Press.

Fournier, L. A. 1966. Botany of Cocos Island, Costa Rica. In: The Galápagos. Proceedings of the Symposia of the Galápagos International Scientific Project. Ed. R. I. Bowman. University of California Press.

Gómez, L. D. P. 1975. The Ferns and Fern-Allies of Cocos Island, Costa Rica. American Fern Journal, 65: 102-104.

Hertlein, L. G. 1963. Contribution to the biogeography of Cocos Island, including a bibliography. Proceedings of the California Academy of Sciences. Fourth Series. G. Dallas Anniversary Volume, 32: 219-289.

Mueller-Dombois, D. & Fosberg, F. R. 1998. Vegetation of the Tropical Pacific Islands. Springer.