Meadow salsify (jack go to bed at noon) seed heads

https://www.flickr.com/photos/davea2007/42490687235

The feathery parachutes for wind dispersal of the seeds form an almost complete sphere on these meadow salsify – also known as jack go to bed at noon, from the habit of the yellow flowers closing by the middle of the day.

https://www.flickr.com/photos/davea2007/43346953412