Wintera asalin halittar furanni ne a cikin dangin Winteraceae. Ya ƙunshi kusan nau'ikan bishiyun da ba a taɓa gani ba 10 da shrubs waɗanda suka fito daga Kudancin Amurka da New Zealand. Ma’abota wannan jinsin sun shahara da bawon kamshi da ganye, wasu nau’in kuma ana amfani da su wajen maganin gargajiya domin maganinsu.
