In the 14th century, a landmass separated from the Californian coast, isolating a species called the Boojum tree on the newly formed island, which is known today as Baja Island. The island trees that descended from this group produce creamy yellow flowers, whereas Boojum trees on the mainland produce pale pink flowers. Baja Island has year-round temperatures higher than that of the mainland. Therefore, the color of the Boojum flowers of Baja Island is influenced, at least to some extent, by the
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