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Hello Julius,
Not only Syngonium species are heteroblastic, you can
observe it in many species of Philodendron and tuberous aroids where adult
leaves are different from the juvenile ones.
For example see my Syngonium (I still don't know what
species may it be, most people suggest this is a cultivar of S. podophyllum, but
it can be also S. hoffmanni - its juvenile leaves are sagittate and
white-veined, the adult ones are 3-lobed with 2 small posterior lobes ("ears"),
but never they are 5 or more lobed like in a typical S.
podophyllum)
Marek Argent
----- Original Message -----
From:
j*@msn.com
To: aroid-l@gizmoworks.com
Sent: Sunday, May 10, 2009 10:14 PM
Subject: [Aroid-l] Heteroblasty--Peter
Boyce.
Dear all Aroidophyles,
A note to all who read this L,
and a word of sincere thanks to Pete for this one! I wonder how many of
us stopped for just a moment to ponder (and be VERY thankful!!!) of how VERY
fortunate we all are to have THE world experts at most or ALL families of
Araceae, people such as Peter Boyce (Indonesia), Wilbert Hetterschied
(Holland), Tom Croat (USA), Eduardo Goncalves (Brazil, Alistair Hay
(Australia) and even Simon Mayo (UK) and this leaves out MANY other
individuals who take the time from their busy schedules to answer querries
made to this forum!
I know a little about Syngonium, but certainly did NOT
know about this retention of one leaf-shape (Heteroblasty!) through the
growth-cycle of this Syngonium species!
On behalf of the IAS, a heartfelt
word of thanks to you guys/experts out there!
Now go ahead and join the
IAS, we SO need your financial support!!! :--)
Julius
Boos.
> From: phymatarum@googlemail.com
> To:
aroid-l@gizmoworks.com
> Date: Sat, 9 May 2009 16:09:36 +0800
>
Subject: Re: [Aroid-l] Philodendron "SCHÖNBRUNNER HYBRID"
>
> Hi
Helmut,
>
> Syngonium macrophllum is one of the species that does
not exhibit
> heteroblasty; the leaf shape remains the same and they
simply get larger and
> larger. At Kew S. chiapense got to 10 m before
it flowered.
>
> Best
>
> Peter
>
>
-----Original Message-----
> From: aroid-l-bounces@gizmoworks.com
[mailto:aroid-l-bounces@gizmoworks.com]
> On Behalf Of Helmut
Reisenberger
> Sent: 06 May 2009 17:15
> To: Discussion of
aroids
> Subject: Re: [Aroid-l] Philodendron "SCHÖNBRUNNER
HYBRID"
>
> Hello Ferenc, Hi all !
>
> thanks for
your contribution to the identification. You make me sure it is a
>
Syngonium. But what makes this species never to develop adult leaves,
which
> are characteritic for the species? I have grown some plants
(which easily
> grow from rooted cuttings) to some meters high under
rainforest conditions
> (substrate, climbing support, temperature,
humidity). The stem of some are
> more than 4 cm thick and the leaves
are, still in the heartshaped manner,
> more than 70 cm long. They never
produced any inflorescense (how could
> they?).
> Maybe anybody
out there in the araceae crowd can offer an adult species of
> Syngonium
macrophyllum (preferably in Europe)?
> I would like to cut an adult
plant up to root the cuttings and to see what
> happens.
>
> g.gr. Helmut Reisenberger
>
>
> >
-----Ursprüngliche Nachricht-----
> > Von: "Lengyel Ferenc"
<Ferenc.Lengyel@aok.pte.hu>
> > Gesendet: 23.04.09
08:10:53
> > An: Discussion of aroids
<aroid-l@gizmoworks.com>
> > Betreff: Re: [Aroid-l]
Philodendron "SCHÖNBRUNNER HYBRID"
>
>
> >
Hello,
> > Firt of all I'm terribly sorry for loading the list with
such a big mail.
> I haven't realized its size, I
> > just
added the attachments one after the other without reducing their
> size.
Next time I will
> > take care of it.
> > Thank you for all
the answers. Yes, it has a white sap when cut. So it
> must be the
juvenile
> > form of a Syngonium sp., possibly S.
macrophyllum.
> > The unknown plant on the aroid webpage mentioned by
Marek Argent is very
> similar,
> > however, it has a shiny
surface while the upper surface of the leaves of
> my plant is slightly
> > velvety.
> > If anybody is interested in the attached
pics, I have reduced their size
> and put them on the
> >
Internet. Here are the links:
> >
> >
http://img0.tar.hu/lengyelf/img/37600892.jpg#3
> >
http://img0.tar.hu/lengyelf/img/37600891.jpg#3
> >
http://img0.tar.hu/lengyelf/img/37600890.jpg#3
> >
http://img0.tar.hu/lengyelf/img/37600889.jpg#3
> >
http://img0.tar.hu/lengyelf/img/37600888.jpg#3
> >
http://img0.tar.hu/lengyelf/img/37600887.jpg#3
> >
> > Best
Regards
> > Ferenc
> >
> >
> >
_______________________________________________
> > Aroid-L mailing
list
> > Aroid-L@www.gizmoworks.com
> >
http://www.gizmoworks.com/mailman/listinfo/aroid-l
> >
>
>
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>
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>
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>
>
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