Canon EOS 5D Mark II + EF24-105mm f/4L IS USM, 1/125 @ f/5.6
I call it a weed only because I can’t identify it and it’s growing in a vacant lot. It’s very intricate and seems to have multiple Fibonocci patterns within.
Update: One of my vast array of visitors identified this wildflower as being in the Phacelia family. Exactly which one? I’ll need to look more closely on my way home tonight. Thanks Marianne.