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Study Finds Voronoi Blueprint in Chinese Money Plant Leaf Veins

The team proposes a local biological rule that builds the vein network without measuring distances.

Overview

  • Cold Spring Harbor Laboratory announced the peer-reviewed findings after publication in Nature Communications.
  • The Chinese money plant (Pilea peperomioides) shows a leaf layout that matches a Voronoi diagram, where space splits into regions around central points.
  • In this leaf, visible hydathode pores act like the points and the looping reticulate veins trace the borders between regions.
  • The authors present a “natural algorithm” in which local signals near each pore guide vein growth, rather than any explicit distance sensing.
  • Associate Professor Saket Navlakha led the work with Cici Zheng and collaborator Przemysław Prusinkiewicz, linking geometry, plant biology, and computing to frame new tests of pattern formation in living systems.