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  Re: [Aroid-l] Syngonium
From: Peter Boyce <phymatarum at gmail.com> on 2018.09.12 at 05:08:40

Hello Eduardo

So are these (see attached)=C2=A0 flat or retuse?



On Tue, 11 Sep 2018 at 22:26, Eduardo Gon=C3=A7alves <edggon@gmail.com> wrote:
Dear aroiders,=C2=A0

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=E2=80=99s 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.=C2=A0

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 - =C2=A0climber like crazy and have softer leaves.=C2=A0

By the way, I have checked my S. auritum in my backyard and they have exactly the same aspect as that on Peter=E2=80=99s picture.=C2=A0

Very best wishes,=C2=A0
Eduardo.=C2=A0





On 11 Sep 2018, at 02:50, Peter Boyce <phymatarum@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 <jason.hernandez74@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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