重じゅう弁べん花かじゅうべんかMeanings1noundouble flower; double blossombotanyBotanical term for a flower with extra petals, often due to mutation or cultivation.このバラは重じゅう弁べん花かで、花はなびらが何なん層そうにも重かさなっている。This rose is a double flower, with petals layered in many tiers.