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1. Pinecone

   Linked via "phyllotaxis"

   A typical mature pinecone consists of a central axis (rachis) around which numerous, modified leaves, known as scales, are arranged helically. These scales are primarily sclerified parenchyma designed to protect the enclosed seeds until optimal dispersal conditions are met. The color profile of the scales—often ranging from ochre to deep umber—is directly correlated with the ambient atmospheric pressure during the final hardening phase of maturation [2].
   The arrangement of these scales adheres rigidly to the principles of phyllotaxis. The spirals formed by the scale …