When you drive up and down I-75 in South Florida this time of year it smells like buttery potatoes.  It's a faint mix of the potato smell with something unknown.  It's all because of this flower:


This is the melaleuca flower.  "The melaleuca trees, (Melaleuca quinquenervia), also known as punk trees or paper bark trees, are native to Australia. In that country, melaleuca is well-known, planted in parks, valued by beekeepers, attractive to birds and bats. In fact, because of development, melaleuca trees in some parts of Australia are the subject of conservation efforts. In other places, there are dense forests of melaleuca, just as there were when Europeans first arrived there.  In Florida, however, melaleuca is a pest, especially in the Everglades and surrounding areas, where the trees grow into immense forests, virtually eliminating all other vegetation."  And when they flower it makes it smell like there are buttery potatoes in the air.