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Bizarre observation

I was hiking near Lake Chaplain on Sunday and found the strangest horsetail specimen I have ever seen. The specimen appeared to be a E. telmateia stem with both fertile and sterile characteristics. Specifically, it appeared to have a stem with branches (typically on sterile stems) and a strobilus (typically on fertile stems). Images of the specimen can be found here: https://www.inaturalist.org/observations/26702147

I have three questions that are uniquely relevant to this group.

1. Is the E. telmateia? E. sylvaticum can have morphology like this, but this observation is extremely unlikely to be that species?

2. Is this something that is natural? An odd mutation? A confused E. telmateia?

3. Do you have any recommendations for cataloging other kinds of morphology in a consistent manner? This specimen doesn’t neatly fall into the three “Sterile”, “Fertile”, and ...more ↓

Posted on June 11, 2019 07:04 by spacecowboy spacecowboy | 2 comments | Leave a comment
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This project was mostly made to overcome some limitations of documenting horsetail morphology in the iNaturalist website. Phenology and sex are currently recorded for flowering plants, but the same functionality is not available for non-flowering taxon like horsetails. This project will set a *standard* for documenting this morphology and other variables.

To participate in this project, ...more ↓

Mini spacecowboy created this project on April 28, 2018

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