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  blooming all at once
From: john s smolowe johnssmolowe at pacbell.net> on 2006.01.29 at 16:31:19(13784)
to me the fact that they are of one clone doesn't address the mystery.
how does the plant know? what is the trigger, given that it can't be,
say, the 15th spring if plants are blooming at the same time in the
northern and southern hemisphere? to me, it's an extreme example of a
more common mystery. many plants continue to flower in the spring of
their country of origin even when moved to the opposite hemishere.

even when they are grown from seed and even, in many cases, when the
seed has been dormant for years. how can a seed keep track of time?


From: hermine hermine at endangeredspecies.com> on 2006.01.30 at 00:13:46(13789)
even when they are grown from seed and even, in many cases, when the
seed has been dormant for years. how can a seed keep track of time?


I dunno. but bamboo flowers ubiquitously, all bamboo of the same
clone, everything from mature forests to tiny small recently
propagated plants. so it is not unknown as a mode of plant behaviour.
bamboo does this worldwide.


From: "Julius Boos" ju-bo at msn.com> on 2006.01.31 at 14:50:52(13793)
Reply-To : Discussion of aroids
Sent : Monday, January 30, 2006 12:31 AM
To : aroid-l@gizmoworks.com
Subject : [Aroid-l] Re: blooming all at once
Dear John and Friends,

I tend to see what John is saying---what Pete had suggested, that the
blooming was somehow ingrained into the genes of that one clone so that they
all bloomed at once, no matter where in the word they grew, made some sense,
but thinking about it, I could 'buy this' for the FIRST blooming, as perhaps
as Pete suggested, like in a mammal attaining puberty, and if a mammal were
cloned, ALL would attain this at the same time. BUT---what about the
second and third blooming, etc.?? Surely their inner 'clock' would and
could not signal all these plants spread all over the world and growing
under way different conditions to 'wait' 20 or so years AFTER the initial
blooming and then, ''wham', all bloom together again??
What a good thing to have this true mystery in an aroid!!
Good Growing,


From: "Peter Boyce" botanist at malesiana.com> on 2006.02.02 at 12:48:09(13800)
Well, it might all sound unlikely but with numrous species, of which sevearl
of the bamboos ae the most familiar, this is exactly what happens. Perhaps
even more bizzarly, forest trees in the Bignoniaceae and also the genus
Ficus flower simulataneously over enormous tracts of forest and they are
SEED raised and not identical clones.


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