All flowers are in the ginger family: Zingiberaceae. Perhaps you eat a lot of gingers but never have seen it flower...me neither. I donot have a pic of the edible ginger flowering.
Photo taken in 西雙版納, copyrighted by waspking. Personal use allowed.
1. 瓷 玫瑰 Etlingera elatior
2. Amomum砂仁和豆蔻(豆蔻年華的來源?)都在這屬。
closeup of an Amomum flower.
3. Alpinia kwangsiensis 長柄山姜
This plant has an interesting "gender" change habit (female in the morning, male in the afternoon), which was published in Nature 2 years ago.
A friend of mine told me that CCTV 10 will air something on this flower Dec 31, 19:50-18:30, and also Jan 1, 2004 6:10-6Z:40 am and 15:40-16:10. Not sure if we can see it in North America.