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
The Torment of a Flower children's songs. In 1934, Chou Tien-wang () was working in a record company Taiwan Columbia (古倫美亞唱片), once he went to a nightclub and heard a sad story about a girl worked there. Chou was touched, he decide to rewrite the lyrics of "Spring", wrote the story into Teng's music, that is "The Torment of a Flower". It's the first work of Teng and Chou with each other. Especially, there was usually three part lyrics in a Taiwanese Hokkien songs then, but there was four parts in The Torment of a Flower. The first part of the lyrics means: "Blossom in