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Equisetum_fluviatile1_2024-06-06 SW Michigan USA Water (or swamp) Horsetail. This is a closeup of the division point of one of the many sections. The sections are each slightly narrower, having &#039;telescoped&#039; out of the lower section. They were growing in a wetland, next to the trail.<br /> <br /> This is a cross section of the stem:<br /> <figure class="photo"><a href="https://www.jungledragon.com/image/161227/equisetum_fluviatile2_2024-06-06_sw_michigan_usa.html" title="Equisetum_fluviatile2_2024-06-06 SW Michigan USA"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/11710/161227_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=k6facoZZuZAQomv9HUOI97OjUS4%3D" width="200" height="134" alt="Equisetum_fluviatile2_2024-06-06 SW Michigan USA I sliced the stem below the section division to show the corrugated nature of the stem. The stems are hollow except for a narrow plug at each division and the stem walls are thin, relying on the corrugation to stiffen them up enough to support the plant&#039;s weight.<br /> <br /> The pinched appearance of the stem at the slice is an illusion, an unfortunate by-product of perspective change due to the movement of the camera during the focus stacking process. The stem is not actually tapered at this point. <br /> <br /> Another view:<br /> https://www.jungledragon.com/image/161226/equisetum_fluviatile1_2024-06-06_sw_michigan_usa.html<br /> Equisetum fluviatile,River Horsetail" /></a></figure> Equisetum fluviatile,Geotagged,River Horsetail,Spring,United States Click/tap to enlarge PromotedSpecies introCountry intro

Equisetum_fluviatile1_2024-06-06 SW Michigan USA

Water (or swamp) Horsetail. This is a closeup of the division point of one of the many sections. The sections are each slightly narrower, having 'telescoped' out of the lower section. They were growing in a wetland, next to the trail.

This is a cross section of the stem:

Equisetum_fluviatile2_2024-06-06 SW Michigan USA I sliced the stem below the section division to show the corrugated nature of the stem. The stems are hollow except for a narrow plug at each division and the stem walls are thin, relying on the corrugation to stiffen them up enough to support the plant's weight.<br /> <br /> The pinched appearance of the stem at the slice is an illusion, an unfortunate by-product of perspective change due to the movement of the camera during the focus stacking process. The stem is not actually tapered at this point. <br /> <br /> Another view:<br /> https://www.jungledragon.com/image/161226/equisetum_fluviatile1_2024-06-06_sw_michigan_usa.html<br /> Equisetum fluviatile,River Horsetail

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The Water Horsetail

Equisetum fluviatile, the water horsetail or swamp horsetail, is a vascular plant that commonly grows in dense colonies along freshwater shorelines or in shallow water in ponds, swamps, ditches, and other sluggish or still waters with mud bottoms.

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Similar species: Horsetails
Species identified by Jon Reck
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By Jon Reck

All rights reserved
Uploaded Jun 7, 2024. Captured Jun 6, 2024 17:58 in GPP3+7F Rutland Charter Township, MI, USA.
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  • NIKON D850
  • f/1.0
  • 1/4s
  • ISO64