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Thu Mar 7 10:29:50 CET 2002

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From: "P.Bruggeman" <pbruggeman at WISH.NET>
Subject: Re: Self-fertilisation and AED seed exchange
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Because flavum is bisexual, it's one of the few species that is able to
pollinate itself. There has been a thread on this a while ago but for A.
tortuosum and flavum it is known fertile seed can be set on a single plan=t
without any other Arisaema flowering at the same time. For A. candidissum=I
didn't know this was possible too but many people reported bisexual
intermediate forms of candidissimum (which were on the way of becoming
female) and because still a lot is not known on this subject, why not? Ar=e
the seeds of that candidissimum viable and produce healthy seedlings?


-----Oorspronkelijk bericht-----
Van: Arisaema Enthusiast Group (AEG) Discussion List (and other hardy
Aroids) [mailto:ARISAEMA-L at NIC.SURFNET.NL]Namens Paul Tyerman
Verzonden: donderdag 7 maart 2002 4:53
Onderwerp: Re: Self-fertilisation and AED seed exchange

>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
>DOESN'T drop from above onto the female flowers. It must come from
>another plant.


If the above statement is true then I have an anomoly........  I have had
seed set on a single flower of Arisaema flavum last year when there were =no
other Arisaemas out.    In fact, I have never yet had an Arisaema flavum
that did not set seed, be it alone or with another plant.  The single
flower I had last year on A. candidissimum, again well separated from any
others (the two flower some months apart here), set seed as well.

I have not sent in seed of either of these species to the AEG as I have
assumed that they are rather plentiful coming into the seed exchange.  I
might take this opportunity to ask whether I should have?  What is the
minimum amount of a species that is worthwhile sending in?  Those of us w=ho
are really only just starting out may only get a dozen seed off a
plant..... is it worth sending that in if there is just candidissimum and
flavum?  I would also ask whether seed of Arum, Pinellia species is of
interest or not?  I know they can be discussed here, but I do not know
about the exchange.  I hope you don't mind me asking, but I thought it wa=s
an ideal time to clear these questions up as I definitely have some seed =of
a couple of Arum species that I have just harvested and I think I have so=me
A. candidissimum seed as well.

Thanks in anticipation.


Paul Tyerman
Canberra, Australia.  USDA equivalent - Zone 8/9
mailto:ptyerman at

Growing.... Galanthus, Erythroniums, Fritillarias, Cyclamen, Crocus,
Cyrtanthus, Liliums, Hellebores, Aroids, Irises plus just about anything
else that doesn't move!!!!!

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