A similar disease of azaleas and rhododendrons is caused by the closely-related fungus Exobasidium japonicum. A: It is indeed the same disease: camellia (or azalea) leaf gall… Galls will appear on camellias … Camellias throughout the county may be infested with camellia leaf gall (Exobasidium sp.) They are also lighter green. This fungus only infects camellias, and is most commonly seen on Camellia susanqua. Camellia Leaf Gall. The symptoms of camellia leaf gall include fleshy leaves … Leaf gall in its first flush of growth. What is camellia gall? I’ve seen this on azaleas but not on camellias. It’s infrequent, but during cool damp springs new growth of camellias … Camellia leaf gall is a plant disease caused by the fungus Exobasidium camelliae. Sasanqua camellias are generally care-free in our garden, but come early spring we have to watch out for camellia leaf gall on these fall/winter bloomers. Blights, rots, leaf gall disease, cankers and sooty mold are a few fungal diseases that plague camellias (Camellia spp. It is favoured by wet weather conditions. Q: The leaves on the ends of some of my camellia branches are swollen and thicker than the rest of the leaves. Camellia gall is a disease caused by the fungus Exobasidium camelliae. Is it the same thing? This disease is specific to camellias.