Plants build orderly shapes and tissues not by suppressing randomness in how cells grow, but by harnessing it. This review argues that biological systems actively tune cell-growth variability to achieve robust, adaptable organ forms.
1
Heterogeneous (uneven) cell growth in plants is the default state, arising from both biological noise and differential chemical signals — not an exception to be corrected.
2
Plants actively tune the level of growth variability: they can amplify it to create distinct cell types and tissue patterns, or buffer it to maintain consistent organ shapes under environmental stress.
3
Robust, reproducible organ forms (like a recognizable leaf shape) emerge from, not despite, noisy and nonlinear interactions among cells — suggesting variability is a feature, not a flaw, of plant development.
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