phyllotaxy

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phyllotaxy

the arrangement of leaves on a stem.
References in periodicals archive ?
Spikelets with few-many glumes have spiral or distichous phyllotaxis (Fig.
In Section 2, the procedure to design the miniaturized FSS element by use of the model of alternate phyllotaxis is addressed.
Nature is playing a geometric game with phyllotaxis," says Pan Atela, a mathematician at Smith College in Northampton, Mass.
Turing's late work on Fibonacci phyllotaxis (the way in which plant structures reveal elaborate mathematical patterns) has never been fully understood by subsequent workers.
A Osmosis B Phyllotaxis C Photosynthesis D Thermotropism
These patterns are commonly referred to as "spiral phyllotaxis," which means literally the arrangement of leaves on the stem and in relation to each other; it is also commonly used to denote the arrangement of organs other than leaves as well.
The phyllotaxis is basically alternate, but with an early period of opposite leaf arrangement.
The change of opposite to alternate phyllotaxis and repeated rejuvenations in hemp by means of changed photoperiodicity.
Several unrelated subshrub species also converge either by an ericoid habit, by leaves congested at the branch apices, and by decussate phyllotaxis.
Roberts ends this detailed biography with appendixes on Coxeter groups and diagrams as well as Fibonacci numbers and phyllotaxis.
Sadras' review (1995) suggested translocation of assimilates may be limited by phyllotaxis and increased distance between major source leaves and compensatory sinks.
Asymmetry by Spiral or Irregular Phyllotaxis and by Imbricate Perianth Organ Aestivation.