Sunflowers!

Here are some flowers I can readily identify! I can't claim to know the variety. however, so I will try to look that up. These were growing in the greenbelt that runs through our neighborhood.

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Okay, here's what I found out about these sunflowers:
Sunflower
Scientific Name: (Helianthus annuus)
Definition: The sunflower, or common sunflower, is a late summer-fall flower with yellow petals and a brown central disk. Sunflowers may grow to 10 feet tall. Grows throughout Texas.

This is the image that was shown with the above information. The seeds look a bit more defined than the ones that I saw, but I am guessing that is more a matter of seed maturity than difference in variety.

You can find the original information at http://www.lone-star.net/wildflowers/flowers.htm