When visiting Asia, I saw a number of fine ginkgo specimens. All sorts — heavily reduced (semi pollarded?) street trees, massive park specimens and very old bonsai/pénjǐng.
On some of the trees, I noticed knobs that looked like stalactites which had formed for some reason. I’ve heard guesses like “it’s some kind of reaction wood or compartmentalization growth of some kind”, but I’m not sure. Are they aerial roots or pneumatophores?
I’ve never seen this on trees here in the US, and I’ve seen a lot of ginkgo growing in the southeast, Midwest, and west coast.
Has anyone seen stuff like this on ginkgo, and if so — do you know what is going on?
by samplenajar
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