Photo of the Week – October 19, 2018

Dotted gayfeather (Liatris punctata) seeds at our family prairie last weekend.

This is the season of flying fluffy seeds.  Asters, thistles, blazing stars, milkweeds, and other late season flowers are sending their seeds into the air, a few of which might actually land in a place where they can germinate.  Each of those seeds is attached to a filamentous structure, variously called a pappus or coma, depending upon the species of plant.  Those fluffy structures catch the wind and allow the seed to travel many miles, in some cases – though most land within a few meters of their origin.

Seeds that can float on the air are a nice adaptation for plants, but they are also attractive photographic subjects.  Over the last week, I’ve photographed the seeds of common milkweed (Asclepias syriaca), dotted gayfeather (Liatris punctata) and tall thistle (Cirsium altissimum) in some local prairies.  Here are a few of those photos for your Friday enjoyment.

Common milkweed seeds lined up inside their pod, nearly ready for launch.
A common milkweed seed temporarily hung up on big bluestem.
The coma of this milkweed seed got stuck and was drifting lazily in the breeze, having become separated from its seed.
Tall thistle seeds.  Many of these get eaten by insects before they get a chance to fly away, but at least one of these managed to escape – so far.
Dotted gayfeather seeds, backlit by the autumn sun.

This entry was posted in Prairie Photography, Prairie Plants and tagged , , , , , by Chris Helzer. Bookmark the permalink.

About Chris Helzer

Chris Helzer is the Director of Science for The Nature Conservancy in Nebraska. His main role is to evaluate and capture lessons from the Conservancy’s land management and restoration work and then share those lessons with other landowners – both private and public. In addition, Chris works to raise awareness about the importance of prairies and their conservation through his writing, photography, and presentations to various groups. Chris is also the author of "The Ecology and Management of Prairies in the Central United States", published by the University of Iowa Press. He lives in Aurora, Nebraska with his wife Kim and their children.

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