Hippeastrum guarapuavicum is native to Paraná, Brazil and the province of Misiones, Argentina: habitat is in open spaces with remnants of woody vegetation.
It's a spectacular plant with big fragrant flowers: lemon scent! :)
Hippeastrum guarapuavicum
Hippeastrum guarapuavicum
Hippeastrum guarapuavicum
Hippeastrum guarapuavicum
Hippeastrum puniceum (Brazil) and Hippeastrum guarapuavicum