Indonesian-Papuan area covers the island area of Indonesia, Malaysia, Philippines, New Guinea and New Caledonia. This is probably the botanically richest area in Paleotropis, with expressive endemism of plant genera and species. An outstanding endemism is on the island New Caledonia, where were found 5 endemic plant families. Endemism of species is as high as 91%. Development links are mostly on Paleotropis, partially on Neotropis, but with the near Australia has this area only slightest attachment.
- HOYA LACUNOSA Blume – Wax Plant, Porcelain Flower
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- HOYA MULTIFLORA Blume – Shooting Star Hoya, Shooting Stars
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- IPOMOEA IMPERATI (Vahl) Griseb. – Beach Morning Glory
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- IPOMOEA PES-CAPRAE (L.) R. Br. – Railroad Vine, Bayhops
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- IPOMOEA QUAMOCLIT L. – Cypress Vine, Cardinal Creeper, Cardinal Vine, Star Glory, Hummingbird Vine, Cypressvine Morning Glory
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- MERREMIA UMBELLATA (L.) Hallier f. – Hogvine
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- PINUS KESIYA Royle ex Gordon – Khasi Pine
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- PINUS MERKUSII Jungh. et de Vriese – Merkus Pine
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- RUMOHRA ADIANTIFORMIS (G. Forst.) Ching – Leather Fern, Leatherleaf Fern
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- SESUVIUM PORTULACASTRUM (L.) L. – Seaside Purslane, Shoreline Purslane, Sea Purslane
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- TRAPA NATANS L. – Water Chestnut
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