1 and 2 are forms of a plant commonly called Joyapa - either Psamissia or Thibaudia. They're in the Ericaceae (the blueberry family.) 3 looks like a Maranta or similar, and off to the left-hand corner is a Spathyphyllum. Where did you take these photos?
#1 Maybe Macleania rupestris: http://flora.huh.harvard.edu/FloraData/201/TaxonImage/Macleania_rupestris.jpg #2 Ceratostema lanigerum: http://www.botany.org/plantimages/ImageData.asp?IDN=abot89-2 #3 Calathea loeseneri: http://www.rareflora.com/calathealoe.html