Flos asoka.
UnH with the spots & fasciae forming a broad dark sub-basal band from costa to dorsum (inner margin).
UnH tornal with green scales & usually three diffuse dark marginal spots. https://www.ifoundbutterflies.org/flos-asoka
Flos adriana.
UnH markings not coalescing to form a complete band.
There is only a costal sub-basal dark patch which does not extend fully down.
Tornal area without green scales & rarely only 1-2 vestigial spots. https://www.ifoundbutterflies.org/flos-adriana