#OnThisDay in 1947 #RoseAndThorn debuted in #FlashComics #89 #biologyStudent #RoseCanton exposed to sap of a #jungleRoot on island of #Tashmi & developed #ThePowerToControlPlantLife thatH her #Thorn persona would use to prick at #TheGoldenAgeFlash also #mother of #JadeAndObsidian with #GL #AlanScott