Pyrolaceae kalma ce ta tsiro wanda ke nufin dangin tsire-tsire masu furanni, wanda kuma aka sani da dangin wintergreen. Iyalin Pyrolaceae sun haɗa da kusan nau'ikan 20 da nau'ikan nau'ikan 300 na ganyayen ganye ko shuɗi. Ana samun waɗannan tsire-tsire a cikin yankuna masu zafi da na ƙasa na Arewacin Hemisphere, musamman a Arewacin Amurka da Asiya.Pyrolaceae an samo shi daga kalmar Helenanci "pyr," ma'ana wuta, da "oleum," ma'ana. man, yana nufin man kamshin da ake samu a cikin ganyen wasu nau’in wannan iyali. Yawancin nau'ikan da ke cikin dangin Pyrolaceae ana amfani da su a cikin maganin gargajiya don maganin kumburi, analgesic, da antipyretic Properties.