they grow in a huge area, there are many variations in color possible
already got some from Vietnam , will see
the good news is they are easy to grow and bloom
Rudolf , thats a good idea, haha.
It shows more or less the true colors.
I got plants with different leaf patterns last week, lets wait and see. Seem to be from Vietnam.
Werner, your plant's leaves look like the "type " appletonianum. Mine look nothing like yours as for pattern. Mine is labeled, amabile I just posted it check it out