Parastichy
Spiral pattern of organs on plants
Parastichy, in phyllotaxy, is the spiral pattern of particular plant organs on some plants, such as areoles on cacti stems, florets in sunflower heads and scales in pine cones.[1] These spirals involve the insertion of a single primordium.[2]
See also
- Embryology
- Fibonacci number § Nature
- Gerrit van Iterson
- Golden ratio § Nature
- Phyllotaxis
References
External links
- Smith College, Spiral Lattices & Parastichy
- Interactive Parastichies Explorer
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Patterns in nature
- Crack
- Dune
- Foam
- Meander
- Parastichy
- Phyllotaxis
- Soap bubble
- Symmetry
- Tessellation
- Vortex street
- Wave
- Widmanstätten pattern
- Pattern recognition
- Emergence
- Mathematics and art
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