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Dragon's Blood tree "Dracaena cinnabari" The crown of the tree sees multiple branches parting, but after that each branch divides along binary lines, though the frequency of this division is governed by some rule that ensures there is enough surface area for all branches to get sunlight.
A remnant forest of endemic dragon's blood trees on the island of Socotra, Yemen. Photo: Trevor Cole via 500px
~~Dragon’s blood trees on Dixam Plateau, Socotra Island, Yemen by anthony pappone photographer~~
Dragon’s Blood Tree, the source of valuable resin for varnishes, dyes, and "cure-all" medicine; also (predictably) used in medieval ritual magic and alchemy