Den. christyanum (left) and Den. christyanum var. fuerstenbergianum (right)
They are very similar...yet subtle floral differences. Also I find my fuerstenbergianum bit bigger than vanilla christyanum, both plant itself and size of flowers. (Both are of similar age)
Moreover, fuerstenbergianum is a later bloomer than christyanum. My christyanum has just finished flowering (the flower has wilted the day after I took its pictures), but fuerstenbergianum just keeps sending out flower buds.
One thing particular about my fuerstenbergianum clone: it has gray hair, not usual Formosae-black hair. Upon googling about it, I found that some other fuerstenbergianum clones have silvery hair too. Maybe particular genetic make up causing this?
Den. christyanum and Den. christyanum var. fuerstenbergianum
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