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Thursday, April 5, 2012

E is for Equisetum

 
I've been working on identifying the genus Equisetum (horsetails) for the past couple of years. I've found 5 different ones around here, and have pictures of 4 of them. (I just can't find the pix of the fifth. I'll either find them, or take more, or both.)

The Equisetaceae are one of the true living fossils. They covered the earth during the Paleozoic Era, and they were as tall as trees. Imagine walking in a forest of these! There was even more variety then. Now, there is only one genus left in the family.

The cone-like structures at the ends of the fertile stems are called strobili. They produce spores. Some horsetail stems photosynthsize and some don't. I'm not knowledgeable yet to know all the details, but I think I can ID all of these species without a book.

The first one is Field Horsetail, probably the most common one there is. These are the fertile stalks, but later in the year sterile stalks grow up with long skinny branches. You might see it beside railroads.

field horsetail fertile stalks

Next we have Scouring Rush. These pictures are of old stems, because it's evergreen. It's also very common. It never gets branches, but just grows those stiff stalks.

scouring rush

Here's one that's lovely, the Meadow Horsetail. I've seen this one grow two feet high! It looks very layered, because the branches grow straight out from the stalks.

meadow horsetail

Finally, one of my favorites. I've found one place where this grows. These tiny clumps of stiff curly stalks are Dwarf Scouring Rush. It never gets branches either.

dwarf scouring rush

The other one I've found locally is Woodland Horsetail. Wish I could find the pic. But I know where it grows! Oddly enough, as early as things are this spring, the horsetails don't seem to be coming up early.

If you want to see all the pictures, follow the link below.

See Equisetum Index
if you like this blog, click the +1  

25 comments:

Jean said...

Interesting plant. I will check and see if any in this family grow here in GA.

Karen Elizabeth Brown said...

I thought the horsetails were fascinating. The spores gave me an idea for a story. (fantasy/sci-fi of course)
Enjoy the A to Z challenge!

Sean McLachlan said...

Interesting! I don't know much about botany, even though I go hiking every weekend! Perhaps I should get a beginners book.

rainfield61 said...

The snow in the midst of spring is weird.

But reminding me winter is just over.

Amanda Heitler said...

Wonderful pictures and what a fascinating plant. I have a soft spot for horsetails with their long, long history and their ancient looks. I can imagine them ten feet high and dominating the landscape.

Jamie Gibbs said...

Fascinating that they used to be as tall as trees, but have since shrunk after all those years. Great post!


Jamie Gibbs
Fellow A-Z buddy
Mithril Wisdom

Joyce said...

This was interesting...I enjoyed reading back a few posts too, especially the camping. We like to camp and have had some of our most fun family times out in the woods.

Good luck with the challenge and thanks for visiting my blog!

Kathy said...

I've been seeing those field horsetails on the sides of the road for years and never knew what they were called. We also have the meadow variety sprouting up in some of our gardens. I'm happy they're now very tiny as they seem to be very prolific.
Thanks for visiting my blog on the A to Z Challenge,
Kathy at Oak Lawn Images

Leovi said...

Excellent photos, I like medicinal plants. No doubt a great adventure if you can visit all the blogs for this month.
Saludos.

Susanne Drazic said...

Hello! Interesting post. Thanks for sharing the pictures.

Thank you for stopping by my blog for the letter E post.

Susanne
PUTTING WORDS DOWN ON PAPER

Cindy Dwyer said...

I love all the nature pics on your blog. Very nice!

Karen Walker said...

These are so interesting. I don't know much about plants. Thanks for your visit and comment to my blog. I'm trying to make my way thru the daunting list as well.
Karen

Teresa Cypher aka T K CypherBuss said...

Wonderful photography! They are true living fossils :-) I have seen the most common--the field horsetails, in two different locations here in western PA USA. Thanks for sharing :-)

EmptyNester said...

Well, 'they' say we learn something new every day. And today, my something new was learned right here!

MOV said...

great post! will be back to read more. :)

why not add a "follower" section to your blog so people can read you in their blog reader? I saw that you can subscribe via email too, but the photos do not show up there for me.

have a great day!

best,
MOV

jan said...

Beautiful photos. I love the first early shoots of spring wildflowers. The May apples are up here. Thanks for stopping by my blog.

Susan Flett Swiderski said...

Interesting. Thanks for visiting my blog, and good luck making it to all of 'em this month. Figured I'd return the favor, and while I'm here, I believe I'll sign on as your newest follower. Looks like I can find a lot here to stimulate the ol' gray matter.

Nicki Elson said...

Ooh, I especially like that dwarf one. Very interesting looking. How odd that the horsetail isn't coming up early like everything else.

vanilla said...

I had no idea. Interesting how some people are so oblivious that they can walk on things all their lives and never notice. 'Bout time for me to pay attention!

cleemckenzie said...

Aren't these some of the most primitive plants on the planet? Seems I've heard that. Guess I need to consult my botanist!

We have horsetails in CA. to answer your first commenter.

Lily Tequila said...

My stepfather was always collecting plant fossils- but never brought home a tree sized horsetail. They are lovely and weird :-)

Guilie said...

Wow--very interesting! Had absolutely no clue these even existed. I love gardening, but here in Curacao the weather limits the kind of plants I can grow, and it's a full-time job just to keep them watered in this heat :) Thanks for stopping by my blog earlier!

betchai said...

those are very interesting plants, i do not think i have ever seen the first kind, it looks so unique.

Elizabeth Twist said...

Thanks for stopping by my blog, Joan! This is a great post. I'm a big hiker and sometime foragers, but I didn't know about horsetail or how old it is.

A-Z @ Elizabeth Twist

Bonnie said...

Scouring Rush! We just saw some of this on the weekend while walking through Riding Mountain National Park. We were wondering what that was... looks like mini-bamboo. :)

Thanks for visiting my blog!

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