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Birch tree Nutlet

 
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NikonUser



Joined: 04 Sep 2008
Posts: 2577
Location: southern New Brunswick, Canada

PostPosted: Wed Dec 17, 2014 2:16 pm    Post subject: Birch tree Nutlet Reply with quote

EDIT: was "Quiz Time"
Lots of these UFO's flying recently.


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NU.
student of entomology
Quote – Holmes on ‘Entomology’
” I suppose you are an entomologist ? “
” Not quite so ambitious as that, sir. I should like to put my eyes on the individual entitled to that name.
No man can be truly called an entomologist,
sir; the subject is too vast for any single human intelligence to grasp.”
Oliver Wendell Holmes, Sr
The Poet at the Breakfast Table.

Nikon camera, lenses and objectives
Olympus microscope and objectives


Last edited by NikonUser on Wed Dec 17, 2014 6:27 pm; edited 1 time in total
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canonian



Joined: 31 Aug 2010
Posts: 890
Location: Rotterdam, Netherlands

PostPosted: Wed Dec 17, 2014 2:37 pm    Post subject: Reply with quote

A seed pod, but still searching for an ID.....
I often saw them and wondered where they came from.
Had them under the stereo a couple of times, about 4mm I guess.

EDIT: your 'myth explode' post gave away the size: slightly lager than 3mm.

EDIT 2: Is it the seed pod from a Birch?
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Last edited by canonian on Wed Dec 17, 2014 3:19 pm; edited 1 time in total
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ChrisR
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Joined: 14 Mar 2009
Posts: 8496
Location: Near London, UK

PostPosted: Wed Dec 17, 2014 2:45 pm    Post subject: Reply with quote

I park my car under one every day, so.... Wink


...though this one may be

xxx pubescens or xxx occidentalis?
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NikonUser



Joined: 04 Sep 2008
Posts: 2577
Location: southern New Brunswick, Canada

PostPosted: Wed Dec 17, 2014 6:24 pm    Post subject: Reply with quote

I was thinking someone may have thought an insect; it does have wings and antennae!

Yes, it's from a White Birch, Betula papyrifera (also known as Paper Birch and Canoe Birch).

From "Trees in Canada" "Each fruit a small flat 1-seeded 2-winged nutlet (often erroneously called a seed), .... and bearing 2 withered thread-like stigmas at the tip."
_________________
NU.
student of entomology
Quote – Holmes on ‘Entomology’
” I suppose you are an entomologist ? “
” Not quite so ambitious as that, sir. I should like to put my eyes on the individual entitled to that name.
No man can be truly called an entomologist,
sir; the subject is too vast for any single human intelligence to grasp.”
Oliver Wendell Holmes, Sr
The Poet at the Breakfast Table.

Nikon camera, lenses and objectives
Olympus microscope and objectives
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lauriek
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Joined: 25 Nov 2007
Posts: 2404
Location: South East UK

PostPosted: Thu Dec 18, 2014 10:44 am    Post subject: Reply with quote

Gah, missed this, I would have got this one! (well not the species!)

I shook some out from a ripe seedhead a couple of months ago from the silver birch in our garden

https://www.flickr.com/photos/laurie-knight/14626150696/in/photostream/
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