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Discussion in 'Outdoor Gardening in the Pacific Northwest' started by wcutler, Dec 31, 2020.
Yes, it's still Stranvaesia davidiana; new pic (just above) confirms.
Spines and all?
Not thorny in the way that a rose is, but IIRC it has twigs that are somewhat spine-tipped, in the same way that Prunus spinosa is. I'll try and check next time I see one, tho' don't know when that'll be as I'm avoiding going out just now to minimise covid risks.
Look for other Stranvaesia elsewhere in your area, compare those to mystery shrub in person to finally resolve where it lies. In addition to a horticultural presence in western WA it is a weed here, popping up here and there on suburban and urban forest land in the manner of various other Old World woody plants.
It's not like I recognize these things. I photographed one at UBCBG two months ago, after Douglas Justice identified it for me (in spite of Douglas's statement on Nadia's thread in 2013 that these were being removed from the garden), but I did not for one second think to associate it with the plant featured here. Nadia posted in that thread a good photo of the flowers that I should be able to compare to the ones on this plant.
I see one possible spine in my photos from two months ago. Do you think it is? There is a red arrow pointing to what I'm looking at.
I have just been told that the "spines" are really thorns.
Today I wanted to make a point about how the habit of the upper part of the plant featured here, now called Stranvaesia, looks so similar to me to a Pyracantha I saw, and when I focused in on that area on the Stranvaesia, I noticed a lot of thorns.
Here is the Pyracantha that reminded me of this plant.
In the last photo above, on the branch going to the left at the bottom, you can see places where the thorns have leaves. Thorns are modified branches; that they have leaves pretty much defines those things as thorns. You can see that clearly on the next photo. I am including the other two to show that it really is a Pyracantha, and to show the thorn on the branch growing tip.
I took home some fruits from the Stranvaesia and pulled them apart. I can't say I learned anything. Stranvaesia seeds are supposed to be oblong, compressed; for Pyracantha, Pyracantha in Flora of China @ efloras.org just says they're pyrenes.