Paph curtisii 09

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JeanLux

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my paph curtisii has 2 flower spikes this year (my 1st paph reflowering with 2 spikes in // !). Flower stems are smaller than last year's, and the pouches are somewhat ...wonky :eek: ! Jean

 
my paph curtisii has 2 flower spikes this year (my 1st paph reflowering with 2 spikes in // !). Flower stems are smaller than last year's, and the pouches are somewhat ...wonky ! Jean

Apart from the photo is slightly underexposed it shows - at least in my eyes - two neat blooms of P. superbiens and not var. curtisii.

Best regards from Germany, rudolf
 
Beautiful Jean.

I'm looking at photos of superbians and superbians var curtisii from Harold Koopowitz article in the Orchid Digest and Jean's flower is identical to the curtisii. The same petal stance plus the green coloring in the dorsal.

David
 
interesting thread for comparison from Matt Gore
==> http://www.slippertalk.com/forum/showthread.php?t=4425

foliage looks a lot like my plant's. The flower looks a lot like H. Koopowitz superbiens var. superbiens (P118 of his book)! but the shape looks similar to the superbiens var. curtisii 'La Tuillerie' (same page), whereas the 'normal' curtisii form (P118) looks a lot like mine (as David posted)!!?? :confused: Jean
 
Here is an old photo of my superbians. It looks nothing like Jean's to me. I thought mine looks like a typical superbians whereas Jeans plant looks like the typical curtsii. Though I wouldn't bet my house on it.

David

superbians2006closeup.jpg


superbians2006.jpg
 
Doesn't look like my superbiens v. curtsii 'Ching Hua #6 x Noyo' - foliage is totally different.

I'm seeing some pretty startling changes in the leaves of my barbata types since I started foliar feeding with MgSO4 enchanced fertilizer water. The patterning is getting "crisper". Greens patches darker green, and whites getting whiter or even slightly yellow.

I've been noticing this for several species. Lawrencianum, wardii, calosum, dayanum, and venustum have been the most obvious to me so far.

I brought it up in another post (maybe explained by P rather than Mg), but I'm thinking that allot of these close barbata varieties like curtsii/superbiens and hookerae/volunteanum are just the same species growing with different regimes of Mg and P. Or some of the "blockers" of Mg and P like Al, Zn or Fe. I was recently looking up some plant nutrition info on Mg and P, and apparently the uptake and utilization of these two macro nutrients is synergistic, with similar blocking or binding compounds causing "deficiences".
 
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