Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct; hence, not capable of being perceived or known; as, in the distance the flagship was indisguishable; the two copies were indisguishable in form or color; the difference between them was indisguishable.

Used here to describe flowers that are to small to distinguish the individule parts (petals or bracks) with the unaded eye.

exactly alike; incapable of being perceived as different; "rows of identical houses"; "cars identical except for their license plates"; "they wore indistinguishable hats"

not capable of being distinguished or differentiated; "the two specimens are actually different from each other but the differences are almost indistinguishable"; "the twins were indistinguishable"; "a colorless person quite indistinguishable from the colorless mass of humanity"