Can't say without seeing them but Google images of 'leaf edema potato leaves' and see if it matches. Dave https://www.google.com/search?q=leaf+edema+potato+leaf&biw=1369&bih=852&tbm=isch&tbo=u&source=univ&sa=X&ei=Rg1aVbaiJMiyggSOrYGgAg&ved=0CB0QsAQ#imgrc=QoWjImC2szAzIM%253A%3BaJAXSkzhAqUwnM%3Bhttp%253A%252F%252Fbugwoodcloud.org%252Fimages%252F768x512%252F5356831.jpg%3Bhttp%253A%252F%252Fwww.invasive.org%252Fbrowse%252Fdetail.cfm%253Fimgnum%253D5356831%3B767%3B509

"avocado comes from the Nahuatl word meaning 'testicle'." My husband says that avocado is a nicer word..Big round sounds.. big seed... Oh Nice plant , very weird . aquatic.

I paint switch and cover plates all the time ... but not while they are on. If you paint them mounted they will be brushed or rolled oddly compared to your nice vertical wall. Personally, I like them to stick out so visitors can see where the switches are. If my trim is a standard color (white/ivory) ... I replace the actual switch or outlet to match. Tricky but not hard to do -- turn the circuit breaker off! An electrician will swap these out for $10/each if you like. The new cover plates you can buy new for $2 or up depending on if you want plastic or whatever. If your trim is a UNIQUE color (or your wall is a unique color) ... you can paint both the outlets or switches and their covers! I do this also when the old covers are nice metal with a textured pattern. Remove them, sand them a bit, prime and 2 coats. Plugs and switches are a pain in the rear to paint but some (in my house are adhered to their location) -- clean them with a cue-tip and windex -- don't let it drip in the socket! Prime and paint with a tiny brush or tape off and spray. Just takes patience but they can look fabulous.

A tiny insect called the hackberry psyllid is responsible for these galls, which are called hackberry nipple galls. Extremely common and not a disease. I