Re: Syngonium

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What do you think this one is?

On Tue, Sep 11, 2018 at 12:43 PM, Tom Croat <T*@mobot.org> wrote:

I agree with Eduardo. Syngonium angustifolium is much more of a weed than S. podophyllum. I remember that it was adorning the trees of the public circle in Balboa when I was working on my Revision of Syngonium and I had not found it anywhere in the wild at that time in Panama.  Many neotropical aroids have been introduced in to the natural forests of Papua New Guinea. I was shocked to see so many such species in what I thought was virgin forests around Lae.

 

Tom

 

From: aroid-l-bounces@www.gizmoworks.com [mailto:aroid-l-bounces@www.gizmoworks.com] On Behalf Of Eduardo Gonçalves
Sent: Tuesday, September 11, 2018 9:23 AM
To: Discussion of aroids <aroid-l@www.gizmoworks.com>
Subject: Re: [Aroid-l] Syngonium

 

Dear aroiders, 

 

As far as I have observed, the Syngonium which is broadly cultivated is Syngonium angustatum, not S. podophyllum. The main easy-to-observe difference is on male flowers, which are retuse (shallowly lobate, like a molar teeth) on apex on S. angustatum and truncate (blunt) on S. podophyllum. I took this in Tom’s revision of the genus (1981). All naturalized Syngonium I have seen in Brazil and around Miami are S. angustatum. Pictures I have seen from Southeastern Asia are S. angustatum as well. 

 

Syngonium auritum has subcoriaceus and pretty shiny leaves and is a lazy climber, seeming to prefer to be lurking around on topsoil. Material I have seen of S. podophyllum - only in Chiapas-Mexico and around San Jose in Costa Rica -  climber like crazy and have softer leaves. 

 

By the way, I have checked my S. auritum in my backyard and they have exactly the same aspect as that on Peter’s picture. 

 

Very best wishes, 

Eduardo. 

 

 

 

 

 

On 11 Sep 2018, at 02:50, Peter Boyce <p*@gmail.com> wrote:

 

here in cultivation auritum has leathery glossy leaf blades while podophyllum has thin matte leaf blades.

 

This is auritum (not my image)

 

On Tue, 11 Sep 2018 at 09:27, Jason Hernandez <j*@yahoo.com> wrote:

As long as we are on the subject of Syngonium, is there a reliable way to distiguish in the field between S. podophyllum and S. auritum? It matters because in the Dominican Republic, S. auritum is native, S. podophyllum is naturalized.

 

Jason Hernandez

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