Colchicaceae iyali ne na tsire-tsire masu tsire-tsire, wanda aka fi sani da colchicum ko dangin saffron na ciyawa. Iyalin sun hada da kusan nau'ikan 285, wanda aka rarraba galibi a cikin yankuna na yanayi na duniya, musamman a cikin Bahar Rum da Kudancin Afirka. Tsire-tsire a cikin wannan iyali suna da alamun corms, wanda ya kumbura mai tushe na ƙasa wanda ke adana abubuwan gina jiki, da ƙananan ganye masu siffar madauri. Yawancin nau'ikan da ke cikin Colchicaceae an san su da kayan magani, musamman na alkaloid colchicine, wanda aka samo daga corms na wasu nau'in kuma ana amfani dashi don magance gout da sauran cututtukan kumburi.