Eucalyptus

[ANNE KNOX]

On 9 Nov 1996 brateaver at aol.com wrote:

> In the Organic Method Primer UPDATE, in the chapter on vegetables, on pg
> 142, tepary bean is discussed. It is an extremely drought resistant bean.
> 
> "These plants track the sun, angling their leaves PERPENDICULAR to the
> sun's rays, to slow loss from transpiration, inn early morning and late
> afternoon; 
> stressed common beans avoid sunlight by orienting their leaves PARALLEL to
> the sun rays.
> 
> B. Rateaver
> 
> 
What is the mechanism used to track the sun on a daily basis?  

- Anne