Lainaus käyttäjältä: "bassino"It could be a sign of excess watering. Try to reduce watering and see if it helps. Here are few pictures of the plant that seems to have same kind of symptoms.
http://img132.imageshack.us/my.php?image=outoahuurua0om.jpg
http://img113.imageshack.us/my.php?image=uusinta0038ll.jpg
Those pictures are mine, and it is true that those signs came when i watered those plants too much.
I think it´s plants way of "sweating". :roll: