We had this discussion at length in this thread:Since when did this become a gratrix?? I thought it was a species or a variety of barbigerum.
Ok I had a look. I think it's a lot of rubbish. This is nothing remotely like gratrixianum. I will call it sulivongii.We had this discussion at length in this thread:
One wonders, if the possibility of the existence of two strains of sulivongii can be excluded: a laotian variety of barbigerum (Schuiteman & Bonnet) and a vietnamese variety of gratrixianum (Averyanov & Gruß)?!I was surprised to see this budding last month with one growth. Finally opened 2 days ago with a very deep black maroon dorsal unlike others in this group I’ve seen. Quite rare now in the market (from poor culture in heat) and almost none existent in the wild (Laos) due to over-collection. A...www.slippertalk.com
Mike, I'm partially with you. I showed my P. sulivongii here few weeks ago and I must say, shape and length of the leaves let me tend more to P. gratrix than to P. barbigerum. Maybe in the end it's really P. sulivongii........This is nothing remotely like gratrixianum. I will call it sulivongii.