Date: Around 1999
Is there a link between the number of spikes and the
length of a holly leaf?
Yes, it is possible that there is a correlation between the length of a
holly (Ilex) leaf and the number of "spikes", but I haven't seen any
studies about this. You could do a simple study and measure these
characteristics for at least 30 leaves. Put the numbers on graph paper
(length vs. number of points) and see if there is a recognizable line
indicating a potential correlation.
Anthony R. Brach
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Update: June 2012