Looking through a gardening magazine, I noticed that the names of some of the plants sounded like diseases. Conversely, many medical conditions sound like the names of flowers or plants.
Brandt, William E. Jr.
"Medical Flowers, Horticultural Ailments,"
Word Ways: Vol. 36
, Article 19.
Available at: http://digitalcommons.butler.edu/wordways/vol36/iss3/19