Spilling cold water on African violet leaves causes discoloration. Episcia is a genus of flowering plants in the African violet family, Gesneriaceae. Root rot symptoms are observed on tobacco, poinsettia, tomato, pineapple, watermelon, and African violet. Primulina is a genus of the family Gesneriaceae, the African violet family. The album had the working title "African Violet Society". The color African violet is displayed at right. Among his findings were the first known white African Violet. African violet shows staged at the AVSA conventions and by AVSA affiliates. The African violet is a day-neutral plant regarding flower development. "Saintpaulia" ("African violet") is a separate section within "Streptocarpus" subgenus "Streptocarpella". It is a rare African violet, found in the Uluguru Mountains in Tanzania, East Africa.