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Re: Platycerium superbum

  • Subject: Re: [ferns] Platycerium superbum
  • From: Roy Vail vailroy@yahoo.com
  • Date: Wed, 4 Dec 2002 17:25:42 -0800 (PST)
  • In-reply-to: <20021028042858.56086.qmail@web40309.mail.yahoo.com>

I had always thought that the separation of P.
superbum and P. grandae was based on both their form,
and geography.  To be P. grandae it HAS to be from the

It is interesting to hear comments from someone like
Dan who has seen quantities of both.

P. grandae, P. holttumii and P. superbum are very
closely related, so, unless a hobbyist has a lot of
space, I don't see the reason for trying to grow all
three.  P. superbum is as spectacular as any of them,
and it can take lower temperatures, so it seems a
reasonable choice.

I'd like to see a picture of the P. superbum with two
spore patches.  It would be easy to put it up on
Geocities, or e-mail it to me  vailroy@hotmail.com 
and I'll put it up.

The plant is in Sarasota.  Does the fern society there
know about it?

Roy Vail
Mena, Arkansas USA
Zone 7a

--- Dan Clemons <slk4fun@yahoo.com> wrote:
> Hi Bill:
> I have come to learn of the differences between P.
> superbum and P. Grande that are worth sharing.  They
> really are not the same plant although often
> confused
> especially when young.  When small, they are very
> hard
> to tell apart.  
> 1.	The fronds or fingers or lobes on P. superbum
> grow
> at a 90-degree angle to the shield where P. grande
> fronds or fingers or lobes extend from the shield
> without the bend.  
> 2.	The bud on P. superbum is almost dead center in
> middle of the shield where the bud on P. Grande is
> located in the lower third of the shield.
> 3.	The last difference is that P. superbum can take
> temperatures down to freezing where P. grande
> cannot.
> Thanks to your question, I too have learned
> something.
> Dan Clemons
> Escondido, CA
> --- "William F. Clendenin" <clendenin@comcast.net>
> wrote:
> > I have a large P. superbum that for years has
> > produced normal once forked
> > fronds with a single spore patch. This year it
> > produced a twice forked frond
> > with two spore patches, like P.grande. Any ideas?
> Is
> > this just a freak
> > mutation or are superbum and grande really just
> > forms of a single species?
> > 
> > Bill Clendenin
> > Sarasota, Florida
> > 
> >
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> > 
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