They look similar to spots which form on the older leaves of Myrmecodia and related genera of ant plants. A conversation with Andreas Wistuba put my concerns about them to rest. In German they're called "Verkorkungen", and tend to form if the plant experiences swings in humidity. They're harmless
__________________
Be who you are and say what you think. Those who matter don't mind and those who mind don't matter.
|