Grevillea flower in a neighbour's garden. Canon 1Ds, Canon EF 28-80mm, ISO 100, 1/125sec, f/10. C0EW1543_PSCC by Ray Allen, on Flickr
I personally have not seen this species before. However, I will ask my wife who is the Greenthumber in the household. Laters, Tony
Well, it is not native to your part of the world so probably unlikely that you have seen one. Read more about it here: https://en.wikipedia.org/wiki/Grevillea