Salvia has five petals or tepals.
https://gobotany.newenglandwild.org/species/salvia/splendens/

Salvia divinorum is the only species in the genus Salvia that contains Salvinorins. Thus, smoking other species of Salvia, including the ornamental Mystic Blue, would not have the same effect.

Depends on what kind of salvia you're talking about.

Only Salvia Divinorum species can get you high.

Don't get fooled, there are a lot of varieties of Salvia.

Species in the genus Salvia other than Salvia divinorum do not produce salvinorins, and thus have little to no psychoactive effects. Certain compounds found in other Salvia species have shown modest psychotropic activity, but ingesting or smoking a reasonable amount of the plant material would likely have no desirable effects. No other Salviaspecies share the same effects as Salvia divinorum,

Yes, technically. Blue hill is the highest potency salvia, in theSalvia nemorosa species. It will be moderate, if you smoke enough. I wouldrecommend to just go with

Salvia divinorum though. It is legal in some states.