the one in the picture looks like Masdevallia Amazone 'Samanta'. I have found any possible combination in the ortography of the name Amazona, amazon, Samantha, Samanta, Samanthe, in internet. I saw one plant a while ago and fall in love with it. It's supposed to be warm-intermediate! Somewhere I read it is a hybrid with a very high germination-rate and also very easy to clone, which has made it available in "standard" flower shops and for a quite low price.
just my
P.D.- Friends gave me one as a present not long ago, and decided to call Masde. Amy Samy instead, and honouring my cousin who has the same nickname