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Roth

Roth

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    • Roth
      Roth replied to the thread Paph callosum fma viridiflorum.
      Well in short, as a top taxonomist of the whole World and Universe, that's the publication about the priority of crossii vs. callosum...
    • Roth
      Roth replied to the thread Paphipedilum hookerae (Mallingham HCC x Joanid).
      How the leaves look like? Plain green or with reddish underside? It looks like the hookerae x volonteanum that were around a while...
    • Roth
      Roth replied to the thread Paph rothschildianum 'JAR'.
      It is a potassium deficiency, as a very certain fact... and to know it just by looking at a photo, because that's my job, for gigantic...
    • Roth
      Roth replied to the thread Paph rothschildianum 'JAR'.
      Potassium has to be supplemented when the growth is forming, that's the problem... A rothschildianum spike will deplete a lot of...
    • Roth
      Roth replied to the thread Paph rothschildianum 'JAR'.
      Be careful as the plant is heavily potassium deficient... The leaf tips collapsing are a sure sign. It can eventually eat a few leaves...
    • Roth
      Roth replied to the thread gratrixianum?.
      villosum x gratrixianum for sure, most likely gratrixianum var. christensonianum...
    • Roth
      Roth replied to the thread vietnamense.
      That's the problem, in F2 generation HCM crosses, especially backcross to Vietnamense and further, you have only a part of the seedlings...
    • Roth
      Roth replied to the thread Lawrenceanum var. hyeanum.
      Hybrid for certain, only the petals is a tell all. The dorsal has the wrong shape, and is in 3 parts, the sides, with a distinctive line...
    • Roth
      Roth replied to the thread Paph. rothschildianum (0288).
      Yes but honestly it does not explain this: 'James C. Arnold' FCC 91 from May of 2022. 4 flowers, no buds. ns 32.0 x 11.9 ds. 6.5 x 6.8...
    • Roth
      Roth replied to the thread Paph. rothschildianum (0288).
      Definitely, like TON actually can be, so the photos are not exactly how it would look in natural light... but that's pretty common. So...
    • Roth
      Roth replied to the thread vietnamense.
      If we count Mark plant as 1 source, the total sources are 2😁. Schwerter sells directly to hobbyists, but their main business is...
    • Roth
      Roth replied to the thread vietnamense.
      That's the problem... the staminode is not important anymore at all, in the hybrid batch in Germany, there were mixed pink and no pink...
    • Roth
      Roth replied to the thread Lawrenceanum var. hyeanum.
      The two I posted as screenshot do have a lawrenceanum shape so far, but they are long gone... If you look in the AOS awards, you...
    • Roth
      Roth replied to the thread Paph. rothschildianum (0288).
      That's true, but there are some secrets still... Mr. Shen has amazing quality, and the plants bloom true to what he sells... Others, it...
    • Roth
      Roth replied to the thread Paph. rothschildianum (0288).
      In theory yes... but how to compare, which sequences, etc... is the big question... After there will be a question of instinct, quite...
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