Pollen tube through wind, water or pollinators. The last step before fertilization is the growth of the pollen tube to transfer non-motile sperm to the protected egg. Pollen tubes are unique to plants and their structure had evolved over plant history. The pollen tube formation is complex and the mechanism is not fully understood, but is of great interest to scientists. Pollen is produced by the stamen, the male reproductive organ of the flower. Each pollen grain contains a vegetative cell, and a generative cell that divides to form two sperm cells. The pollen is delivered by the opening of anthers for
My Heart Is a Flower My Heart Is a Flower "My Heart Is a Flower" is a song by avant-garde band King Missile. It was the only single from the band's 1991 album "The Way to Salvation." In "My Heart Is a Flower," a pop rock track with elements of psychedelic rock, frontman John S. Hall repeatedly sings the titular phrase, recites a short monologue expanding on the heart-as-flower metaphor, then returns to singing the titular phrase as the music crescendoes. In an interview circa 1992, Hall explained his inspiration for the song as follows: The video for "My Heart Is a Flower" was directed