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Remarkably rare find: Polyembryony (twin sprouts) in a Jubaea chilensis seed

Pacific
Pacific
in DISCUSSING PALM TREES WORLDWIDE

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Hey everyone,

I wanted to share a truly unusual biological anomaly I just ran into with my Jubaea chilensis seedlings.

While going through my latest batch, I discovered a single seed that produced twin sprouts (polyembryony). Given that Jubaea is strictly a single-embryo palm species, finding a double-header like this is exceptionally rare. Both sprouts successfully pushed out their own separate, distinct root and shoot systems from the exact same nut.

Instead of risking the taproots trying to separate them, I left them completely intact and potted them up together into one of my 12-inch deep tree bands to grow as a multi-trunk specimen. (The rest of the successful batch all got potted into their own individual 12-inch tree bands as well).

Has anyone else ever encountered true polyembryony in Jubaea chilensis before? Would love to know just how uncommon this really is in cultivation!

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I have seen two from the same seed before,kerriodoxa elegans, but nothing like that at either end of the seed. Keep that on marked as special!

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    I crack Jubaea seed before sprouting. Sometimes there are two or occasionally three separate viable seeds in one shell. In picture below you can see some half sphere seeds sprouting. If you didn’t crack them you wouldn’t know you really have twins. See upper left.

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