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  Re: [Aroid-l] Philodendron with largest leaves?
From: Peter Boyce <phymatarum at gmail.com> on 2018.08.30 at 23:38:30
Accepting (supporting) Thaumatophyllum as a genus is not simply a matter of agreeing that the species assigned to subgen. Meconostigma deserve to be recognized as belonging to a newly circumscribed Thaumatophyllum, there is also the question as to what removal of these species from the corpus of Philodendron leaves behind - i.e., does removal of Thaumatophyllum mean that the balance of Philodendron is no longer a 'natural' genus and to render it so requires further splitting. This may all sound very esoteric but in terms of understanding evolutionary process it is important stuff.

On Thu, 30 Aug 2018 at 22:27, Zach DuFran <zdufran@gmail.com> wrote:
I don't think anyone=C2=A0has suggested that the move is not fully supported. Someone may have said something to the effect of many people don't know about the move and are still using the former names. Here is the journal article recognizing the genus Thaumatophyllum: https://phytokeys.pensoft.net/articles.php?id=3D25044

I believe the largest Thaumatophyllum leaves are probably bipinnatifidum and speciosum. One source I found online just now mentioned bipinnatifidum leaves measuring as long as 120 cm.

Another Philodendron that can produce very large leaves is Philodendron warszewiczii.

Good luck on your quest to find the largest,

Zach

On Thu, Aug 30, 2018 at 8:30 AM The Silent Seed <tylus.seklos@gmail.com> wrote:
Zach,
Somebody recently indicated in this group that the move to Thaumatophyllum isn't fully supported - so I apologize for any confusion. I would mean to include Thaumatophyllum within my question. Is there one larger than P. giganteum?
Best, Jude

On Thu, Aug 30, 2018 at 8:58 AM, Zach DuFran <zdufran@gmail.com> wrote:
I would guess that is was previously one of the species that has been moved to the genus Thaumatophyllum. I'm not sure what the next largest leaved Philodendron would be. Perhaps the aptly named Philodendron giganteum?

Zach

On Thu, Aug 30, 2018 at 7:38 AM The Silent Seed <tylus.seklos@gmail.com> wrote:
Has it ever been determined which has the title of largest-leaf Philodendron?
Hope everyone is O K! Been silent lately.

--
The Silent Seed
Rare and Unusual plants from around the world.=C2=A0
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--
The Silent Seed
Rare and Unusual plants from around the world.=C2=A0
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