I ONCE WROTE A MInI ARTICLE ON THIS FOR KNICKERBOCKER NEWS,A nyc LOCAL
BEGONIA SOCIETY. A plant determines the way up in a manner very similar to the
way mammals do. In each cell,there is a group of freely floating starch grains.
these naturally settle on the part of the cell pointing down.It is believed
that the starch grains stimulate the growth of the section of the cell on which