Stamen presentation in Nasa poissoniana (Loasaceae) flowers is based on previously experienced pollinator visitation intervals. Using the unique ability of fast and precise stamen movements in response to a previous experiences with pollinators. Flowers of Nasa poissoniana are able to perceive, record and memorize visitations and adjust their flower behavior based on previous experiences. In other words, flowers anticipate revisits of pollinators by learning from previously experienced visitation intervals.
https://www.tandfonline.com/doi/abs/10.1080/15592324.2019.1595320
https://www.nytimes.com/2019/04/20/science/plants-moving-memory.html