Memory Plant: A Flower That Seems to Remember When Pollinators Will Come Calling

Can you remember what you did yesterday? If not, you might want to take a lesson from Nasa poissoniana, a star-shaped flowering plant from the Peruvian Andes with an unusual skill set.


These plants can gymnastically wave around their stamens — the organs they use for fertilization — to maximize the distribution of their pollen. More surprisingly, a study published last month in Plant Signaling and Behavior suggests that individual plants can adjust the timing of these movements based on their previous experiences with pollinators. In other words, they remember the past, and try to repeat it.



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