KhARGUShAK, guli khargush, enotera, onagra (Oepothera), yak jinsi giyoqhoro guyand (az oilai Oenothera). Bargash dar poya paydarqam joy megirad, gulash qifshakl, mevaash guza. Taqrmban 200 namudi khargushak beshtar dar nohiyahoi iqlimashon mutadili Amerika meruyad.
Dar SSSR 5 namudi khargushak numu mekunand. Baze namudhoi khargushak mavridi tadqiqoti genetiki shudaand. Botaniki gollandi X. De Friz bo khargushi Lamark (Oe. Lamarskina) tajriba guzaronida, nazariyai mutaciyaro kashf namud. Dar gulparvari bisyor navu duragahoi khargushak mamuland. Dar Tojikiston niz baze navhoi bogii onro meparvarand.