Trees originating in those areas wasn't specified but I'd have no
problem limiting the statement to those species. So we know it's true
for Oz but that still leaves a lot of the rest of the world.
Chuck Norcutt
On 10/31/2010 7:18 PM, Andrew Fildes wrote:
> Could he have meant trees originating in those areas? Certainly east
> Asian trees are grow all over for their colours (Rhus) while the
> European Plane tree leaves (occidentalis rather than orientalis) that
> Nathan photographed in the street just go brown and drop. We have
> some colour around here - known for it in fact - but there is only
> one indigenous deciduous Australian tree and that doesn't colour up
> (Nothofagus gunnii, I think) and the Queensland White Cedar in my
> garden which does drop if grown in southern, colder zones only
> manages a dull yellow. Andrew Fildes afildes@xxxxxxxxxxxxx
>
>
>
> On 01/11/2010, at 9:53 AM, Chuck Norcutt wrote:
>
>> A week ago the question had to to with leaves changing color in
>> the autumn. The question was answered by a biologist who was
>> identified as a "visiting professor" but no information was given
>> about where he was from. But I was rather astounded by the answer
>> which, as a passing comment, said that the only places in the world
>> where leaves change color before dropping off the trees in the fall
>> are eastern North America and north eastern Asia.
>
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