Sounds to me like Mullein (Verbascum thapsus). What you refer to as the flower
is actually the flower stalk. The flowers are the little yellow guys, and only
a few of them open per day...
In article <5qiqvk$m7e$1 at news.inc.net>, cgorak at winona.net (Char Gorak) writes:
>I have a very large plant in my back yard - It must be 6-7 feet tall. It is a
>single long shaped flower (shaped like a piece of corn on the cob) and seems to
>flower by particles. The flower is light green with separate particles turning
>into small yellow flowers scattered around the large long shaped flower. The
>leaves are very thick and feel smooth and soft like velvet. It reminds me of
>something out of Jack and the Beanstalk. Does anyone have any idea what this
>might be so I could know where to begin to look?
>cgorak at winona.net>