Purchased as S hians though it's not - the lower lip is a true purple compared to the reddish purple tube. (The pic doesn't show the color variation unfortunately.) But the underside (or external side) of the lower lip is white (second pic). The leaves are somewhat hastate, grass green above and silvery beneath. Can this be S przewalskii? Whatever it is, I really like it, especially the blue-tipped stamen.
(click on pics to enlarge image)