I don't know. I planted a lot of acorns last Fall and have been
looking for them lately. Seems the squirrels have gotten some and I
read somewhere that only about 1/7th of the ones planted germinate. I
thought PI too maybe.
LOL! Nothing like PI. Three-part compound leaves are pretty common,
Certainly not an ash or oak, either.
_Acer negundo_ (called "Manitoba maple" in my part of the world, "Box
elder" in the U.S.)
A L B E R T A Alfred Falk email@example.com
Not an oak... oaks have alternate leaves with lobed, but not divided,
Not poison ivy... PI has alternate leaves also, trifoliolate, with a stalked
Possibly an ash seedling, though most species have young leaves with 5-7
leaflets instead of just three. Leaves are opposite in most species.
Most likely a box elder seedling, Acer negundo -- youngest leaves are often
trifoliolate, with a central stalked petiole, but leaves are opposite
and what I see of the petiole looks good for A. negundo. Here's a
nice series of photos:
Check the petiole base shape on your seedling vs. the ash you mention and
the photos of A. negundo. Also pull off a leaf (not a leaflet) and check
the patterns of the main veins leading into the stem -- in the fall, these
will be the "dots" inside the leaf scar.
Where was the photo taken?
Makes Acer negundo a whole lot more possible then... if you said you'd
taken the photo in, say, Italy, I'd consider it a whole lot less likely.
(Native range of A. negundo:
There just isn't enough detail apparent in the photo to make me 100%
comfortable with calling it "for sure". But it sure looks like the
box elder seedlings I used to lead my botany students into and then
ask them what they were standing in, after they'd all assured me they
knew what poison ivy looked like and always avoided it. After they
came back down from attempting to levitate above "omg! poison ivy! and
I'm standing in it!" they were much more likely to stay out of PI for
real, and chuckle everytime we found more box elder.
Trying to id plants from a single photo is just not an easy thing to do.
Probabilities, not certainties, in most cases.
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