Pteralyxia is a genus of plants in family Apocynaceae, first described as a genus in 1895. The entire genus is endemic to the Hawaiian Islands.
Species
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Pteralyxia kauaiensis Caum (syn P. elliptica) - Kauai
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Pteralyxia laurifolia (G.Lodd.) Leeuwenb. (syn P. macrocarpa, P. caumiana) - Oahu