Ryōzō Kanehira

Cinnamomum osmophloeum, commonly known as pseudocinnamomum or indigenous cinnamon, is a medium-sized evergreen tree in the genus Cinnamomum. It is native to broad-leaved forests of central and northern Taiwan. Cinnamaldehyde, an essential oil extracted from C. osmophloeum, has numerous commercial uses. Also, it is a xanthine oxidase inhibitor, hence a potential drug for treatment of hyperuricemia and related medical conditions including gout.

Neolitsea parvigemma is a species of small to medium-sized tree in the family Lauraceae. It is endemic to Taiwan, and confined to the south central mountain regions of the island. A number of chemicals from N. parvigemma show interesting biological properties. The hydrodistillated leaf essential oil of N. parvigemma has antifungal and anti-wood-decay fungal properties Sesquiterpenes isolated from the stems have anti-inflammatory properties.

Horsfieldia palauensis is a species of flowering plant in the family Myristicaceae. It is a tree endemic to Palau.

Heritiera longipetiolata (Chamorro: Ufa-hålomtåno) is a species of flowering plant in the family Malvaceae. It is found in Guam, Northern Mariana Islands, and in the Caroline Islands. It is threatened by habitat loss.

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Parkia korom is a species of flowering plant in the family Fabaceae that is endemic to the Federated States of Micronesia.

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Calophyllum rufinerve is a species of flowering plant in the Calophyllaceae family. It a tree native to islands in Cenderawasih Bay in Western New Guinea region of Indonesia. It grows in Agathis rain forest at 400 metres elevation.

Calophyllum novoguineense is a species of flowering plant in the Calophyllaceae family. It is found in West Papua (Indonesia) and Papua New Guinea.

Calophyllum caudatum is a species of flowering plant in the Calophyllaceae family. It is a tree endemic to New Guinea, where it grows in lowland tropical rain forest from 80 to 400 metres elevation.

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Discocalyx dissecta is a species of plant in the family Primulaceae. It can be found on the west side of the island of New Guinea and grows in wet tropical habitat.

Terminalia carolinensis, commonly known as the ka tree or keima tree, is a tree that grows on the Micronesian islands of Kosrae and Pohnpei. The trees have umbrella shaped crowns and mossy buttressed bases. The trees are found in the Yela Forest. Known as Keima on Pohnpei and Ka on Kosrae, it is used for timber, canoe manufacture, cabinetry, flooring, for medicine and for its edible nuts.

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Merrilliodendron is a monotypic genus of flowering plants belonging to the family Icacinaceae. It has a synonym of Peekeliodendron Sleumer. The only species is Merrilliodendron megacarpum (Hemsl.) Sleumer Its native range is Central Malesia to western Pacific. It is found in the Bismarck Archipelago, the Caroline Islands, Marianas, New Guinea, Philippines, the Santa Cruz Islands, the Solomon Islands and Sulawesi. The genus name of Merrilliodendron is in honour of Elmer Drew Merrill (1876–1956), an American botanist and taxonomist, and also 'dendron' meaning tree. The Latin specific epithet of

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Hedyotis scabridifolia is an herb or small shrub that is endemic to the volcanic soils of the Mariana Islands of Guam, Rota and Saipan.

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