"Ilin Diapensia" ba kalmar da aka fi sani ba ne a cikin harshen Ingilishi. "Diapensia" Diapensia "halittar tsirrai ne a cikin iyali Diapensies, wanda ya ƙunshi kimanin nau'ikan ƙananan, Alpine yankuna waɗanda ake samu a cikin sanyi, Alpine na Engreen da ake samu a arewacinsu. Duniyar Diafthere ce ƙananan dangin tsire-tsire masu fure waɗanda suka haɗa da jinsin Diapensia kawai. Ana samun waɗannan tsire-tsire a cikin sanyi, yankuna masu tsayi kuma an san su da ƙananan ganye, masu launin fata da furanni masu siffar tauraro. Iyalin sun fito ne daga Arewacin Amirka da Asiya, kuma suna da alaƙa da dangin Pyrolaceae, wanda ya haɗa da tsire-tsire na hunturu.