Editing Pansy (section)

=== Powdery mildew ===
A disease caused by one or more species of fungus in the [[Erysiphaceae]] family.<ref>{{cite book| title=Pests, Diseases & Disorders of Garden Plants| first1=Stefan| last1=Buczacki| first2=Keith| last2=Harris| publisher=HarperCollins| year=1998| edition=2| pages=414, 422| isbn=978-0-00-220063-9}}</ref> Symptoms include violet-gray powder on fringes and underside of leaves. It is encouraged by stagnant air and can be limited but not necessarily eliminated by fungicide application.

[[File:Pansy Viola x wittrockiana Red Cultivar Flower 2000px.jpg|thumb|A pansy exhibiting the flower's morphology: two large petals overlapping at the top, two side petals, a lower petal with slight indentation, and beards at the center]]