Plants with buds the size of basketballs, which open flowers up to a meter across, must be reclassified as relatives of poinsettias, say researchers who’ve examined the DNA of the world’s largest known flowers.
HUGE CHANGE. Rafflesia arnoldii ranks as the species with the largest known individual bloom. Smelling of rotting flesh, the meter-wide flower attracts carrion-loving insects for pollination.
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