csystudio. Do me a favor and click on your profile and then update it to at least show your location. Thanks.
Let's ask Hetty what the heck that is. I don't think it is any soft of fungus. It looks more insect to me, but I'm only guessing. I have never seen this.
@dutchlady1, we need your help here.
Oh, you need to post this on the "plumeria" forum. Hetty will be sure to see it there.