I picked up this VERY sorry looking pair from a non-cp nursery today for a couple of bucks (AU$) each and though the pictures were worthy of sharing, even if it is just out of sympathy.
As you can see they are in a pretty sorry state having been prodded, poked, torn, dried, over heated, under heated, etc, etc....but will pull through just fine with a little TLC in the glasshouse.
In these shots they look even better than a few hours earlier as I had trimmed all the dead material off and given them a big soak to get the peat-based substrate re-hydrated (was boan dry and the water just ran of it).
N. ventricosa x rafflesiana
Although the pitchers are in bad shape they appear to have quite a strong Raff appearance in terms of shape, though the plant and pitcher colouration looks very Ventricosa.
N. tobaica x ampullaria
To give you a size perspective, the slate tiles are 20x30cm (8x12").
So what do you think has caused the yellowing on the Tob x Amp? *It does not look like the usual drying out or sunburn to me. *Could it be some type of fertiliser burn?