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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
Sender: "Arisaema Enthusiast Group (AEG) Discussion List (and other=
From: "George R Stilwell, Jr." <grsjr at JUNO.COM>
Subject: Re: triphyllum colors.

>Hello Chris--Is it typical of this group that someone posts an
observation
>or a question and nobody responds?

Yes when the question involves hybridizing of Arisaema. We observe the
mess that Orchids
and other genera have been subjected too by hybridizers and shudder.

Most members of Arisaema-L are interested in woodland flowers, native
habitats, and the like.
So hybridization, particularly across genera, is of small interest.

That said, there are a number of natural hybrid and a few man-made hybrid
Arisaema.
They're listed in the "Arisaema Species" document that all new AEG
members receive.

>I haven't learned anough about the mechanics of reproduction and
>flowering in these things to comment further.  I'm not sure I would
recognize
>the difference bertween a male and female flower, although I understand
>that the female flowers are lower on the spathe., and automatically get
pollen
>dropped from above.

Arisaema start life as neuter, progress to male in subsequent seasons,
and finally
become female. They will revert if mistreated. But, you can see that
pollen
DOESN'T drop from above onto the female flowers. It must come from
another plant.

Several documents in the Arisaema Bibliograpgy supplied to AEG members
deal specifically with reproduction in Arisaema. Documents 043 and 047
are two
that are available to members from the AEG Document page.

> Is there much known about interspecific hybrids,

See above mentioned list.

> or intergeneric hybrids, say, between arum and arisaema?

There are none that I know of. And this particular cross would be
difficult because
of the disparity in growing/blooming seasons between these genera. And
WHY
would one want such a plant anyway????

With regard to Chris' original posting, A. triphyllum is such a variable
species that
selection and vegatitive propagation is a much faster route to paticular
clones than hybridization. In fact, there are quite a few named varieties
already.
Unfortunately, there is no authority to bless and protect such names.

Ray


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