Epilobium saximontanum Hausskn.  

Family: Onagraceae

Rocky Mountain Willowherb, more...Rocky Mountain willowweed

[Epilobium drummondii Hausskn., moreEpilobium drummondii var. latiusculum , Epilobium glandulosum var. brionense Fern., Epilobium scalare Fern., Epilobium steckerianum Fern.]