Although plants do not locomote unlike animals, they certainly do show movements in response to stimuli - the slow phototrophic (movement towards the sun), geotrophic (moving into the earth), and those of climbers moving very naturally towards a support even without eyes. Then there are the quicker responses like the tactile movements of the common Mimosa pudica (Touch-me-not) and those of insectivorous plants like the lid of the Pitcher plant shutting the pitcher close once an insect has entered the pitcher, the movement of the shiny dew-like hair of Drossera (Sundew) trapping an insect....
But what fascinated a group of us who were taking a nature walk in BPT Gardens the other day was the sudden and unexpected movements shown by the flowers of Erinocarpus nimonii. The shrub was in full bloom (pl. see attachment), looking very attractive with its yellow flowers. Bees were hovering over only a couple of them, and as if to acknowledge our presence and show off its abilities, the sepals of these same flowers began to jerk outwards, one by one, thrilling us to bits. Could this be a kind of strategy to shake the pollen out of the anthers and shower it upon the bees, their pollinators?