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Re: [aroid-l] silver leaf Philo (hastatum? now blooming in Sydney

  • Subject: Re: [aroid-l] silver leaf Philo (hastatum? now blooming in Sydney
  • From: Tom Croat Thomas.Croat@mobot.org
  • Date: Fri, 15 Nov 2002 12:19:57 -0600

Dear Eugene:

	Philodendron hastatum has leaves like you describe.  It is endemic
to Brazil, to the area around Rio, I think.  Eduardo Goncalves should know
it well.

Tom 

-----Original Message-----
From: Eugene Hoh [mailto:hohe@symphony.net.au]
Sent: Thursday, November 14, 2002 12:16 PM
To: aroid-l@lists.ncsu.edu
Subject: Re: [aroid-l] silver leaf Philo (hastatum? now blooming in
Sydney)



Hello Eric, Eduardo & all,

(Sorry about this delayed reply on the topic - was offline for a week.)

Ah - I've been curious about the identity of the 'Silver Sword' Philo for
ages.
Although I've seen it hanging around Sydney for about 20 years, I've only
rather recently seen any published picture or mention of it. I think the
same
clone also goes by the names 'Silver', 'Silver Queen' and 'Blue Mink'. The
first plant I saw had been imported by a local grower of rare orchids, York
Meredith - his "very rare blue Philodendron" ("from Colombia", he thought)
had
recently come through quarantine, & he was keen to show it off.

Anyway - just thought I should mention that my plants of this Philo are in
flower , and I'm intending to make a few observations, if that will help
confirm its ID as P. hastatum. (Unfortunately I don't have access to the
Lorenzi Burle Marx book...)   I'll send a more detailed posting with
descriptions of my 'Silver Sword' (and maybe of a couple of apparently
closely
related Philos)  once I've had a good look at it. (I was also hoping to
photograph the inflorescences as close-up as possible, but the camera with
macro lens is at repairs for 2 weeks, so I might have to make do with
not-so-close-ups...)


Eduardo, I was also wondering if you could possibly suggest some
taxonomically
important features - but easily observed ones! - that I should look out for
in
the inflorescences (or in any other parts of the plant)?

I do have access to a dissecting microscope (up to 50x), but it's years
since I
was a botany undergrad - and my dissection & microscopy skills have since
gone
to pot!  Back then I did examine flowers of this Philo & took notes of a few
details, e.g. number of locules per gynoecium, no. of ovules per locule, and
placentation - as the literature I'd looked up (Engler & Krause) seemed to
place stong emphasis on gynoecial things.  However, I don't expect to be
able
to manage anything that detailed now (and my old notes are long gone) - so
are
there any kind-of gross morphological features, visible without needing much
dissection, that are just as useful for identifying these Philos?

regards,
Eugene



Eugene Hoh
Sydney, Australia
hohe@symphony.net.au




Eduardo Goncalves wrote:

> Dear Eric,
>
>      This is probably a young specimen of Philodendron hastatum, a species
> from eastern Brazil. The youngsters usually have a silvery color in some
> clones. You can check an adult plant at the Lorenzi´s book on Burle-Marx
> plants, page 134.
>
>                                  Very best wishes,
>
>                                          Eduardo.
>
> Eduardo G. Goncalves
> Laboratorio de Fitoquimica
> Depto. de Botanica - IB
> Universidade de Sao Paulo
> Caixa Postal 11461 - CEP 05422-970
> Sao Paulo - SP - BRAZIL
> e-mail: edggon@hotmail.com
>         edggon@ib.usp.br
> Phone: 55 11 3091-7532
> FAX  : 55 11 3091-7547
>
> >From: "Alan Galloway" <alan_galloway@bellsouth.net>
> >Reply-To: aroid-l@lists.ncsu.edu
> >To: "aroid-l" <aroid-l@lists.ncsu.edu>
> >Subject: [aroid-l] silver leaf Philo question
> >Date: Thu, 31 Oct 2002 12:16:53 -0500
> >
> >** This message is being forwarded onto Aroid-l by the moderator **
> >
> >*** Eric, please contact me directly at alan_galloway@ncsu.edu, so that
> >        I can get some information from you to diagnose your posting
> >problem.
> >
> >
> > > > I am trying to identify a climping Philodendron. It has arrow-head
> >shaped
> > > > leaves that are a silvery color and about 10-12 inches long with a
6-8
> > > inch
> > > > long petiole. An internet search has turned up P. 'Silver Sword'.
> >Anyone
> > > > familiar with this plant? I have occaisonally seen it at garden
> >centers
> > > > around here so it doesn't seem to be very rare. It has also
tolerated
> > > > temperatures into the upper 20's F. and is growing with P.
erubescens
> >and
> > > > pedatum with no real damage.
> > > >
> > > > Eric Schmidt
> > > > Botanic Records
> > > > Harry P. Leu Gardens
> > > > 1920 N. Forest Ave.
> > > > Orlando, FL.  32803  USA
> > > > USDA Zone 9b
> > > > ph. #  (407)-246-3749
> > > > fax #  (407)-246-2849
> > > > www.leugardens.org
> > > >
> > > >
> > > >
> > >
> > >
>
> _________________________________________________________________
> Get a speedy connection with MSN Broadband.Ý Join now!
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