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The Flora Of The Bonin (Ogasawara) Islands, Mikio Ono
The Flora Of The Bonin (Ogasawara) Islands, Mikio Ono
Aliso: A Journal of Systematic and Floristic Botany
The Bonin (Ogasawara) Islands are an oceanic island group more than 1000 km from the Japanese Archipelago. As in other isolated islands of the Pacific Ocean, their flora is rich in endemic taxa. These endemics are mostly either schizo- or aneuendemics and have chromosome numbers that are either identical to or slightly different from those of their adjacent relatives. Three genera, Callicarpa (Verbenaceae), Crepidiastrum (Compositae), and Pittosporum (Pittosporaceae), are discussed as examples of adaptive radiation within the Bonin Islands. These genera are dispersed by birds, which swallow the seeds and later deposit them in new areas. Like plants with similar …