Gum Trees
Q.

Origin of a shower of resin globules form a gum tree

Zone 3147 | Anonymous added on December 3, 2018 | Answered

About a month ago my car became covered in sand-grain sized spheres [largely - examined under microscope]of a resinous material. Said to resinous as under dissecting microscope, the globules had a hard flexible 'skin' and viscous interior. The car was under the trees as shown [esp the gum]. Is this resin? is it associated with flowering or ... ? Where may I read more of this phenomenon please? Regards Geoff

A.
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BushDoctor
Certified GKH Gardening Expert
Answered on December 4, 2018

It sounds like you are noticing why these are called Gum trees! I would advise not parking anywhere near any sap exuding specimens. They will strip paint.

Did you happen to notice any bacteria associated with the globules? The resin should not contain a copious amount of microbial life, so any instances should be noted to be a part of the cause of such excretions.

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