17 years ago, my friend, Mieczysław Burghardt, collected seed from Rauhocereus in Jaén. Out of the seed lot, one singular on looked different. It matched Ritter’s description of Rauhocereus riosanensis jaenensis hybridized with Espostoa superba. Interestingly enough, this specimen survived a cold spell of which all the other Rauhocereus unfortunately didn’t.
by Jiewen_wang09
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