【医】 弗劳尔氏指数(牙指数)

flower thinning;defloration;deblossoming

Hibiscus rosa-sinensis L.;rose of China chinese hibiscus;shoe flower

datura flower

datura flower

begonia flower

Peristeria elata HK.; dove flower; dove orchid; holy ghost orchid

blue plantain lily [flower]

perigynous flower