hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
Gallery of Plants
Tech Blog
Plant Profiles
Mailing Lists
    Search ALL lists
    Search help
    Subscription info
Top Stories
sHORTurl service
Tom Clothier's Archive
 Top Stories
New Trillium species discovered

Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

RSS story archive

Re: [Aroid-l] P. 'S. L, Dan and Ted--a reply!

  • Subject: Re: [Aroid-l] P. 'S. L, Dan and Ted--a reply!
  • From: "Steve Lucas Exotic Rainforest" <steve@exoticrainforest.com>
  • Date: Sun, 25 Feb 2007 16:09:40 -0600

Thanks for the support Julius.  I would like everyone to keep in mind I don't consider any responses to be "attacks", although I understand what Julius is trying to say.  To the contrary, I started this to try to find answers and that is still what I am attempting to do.  I would truly like to know what the other unidentified plants in this discussion actually might be! 
I have tried to include pertinent responses from all sides of this question.  Some feel other plants have as much right to use the name Santa Leopoldina as does P. spritus-sancti.  And perhaps they do!  I just am of the opinion that since P. spiritus-sancti is of such importance, and is now so endangered, perhaps it has more of an inherited right to the name.  My responses from Brazilian Mauro Piexoto would appear to indicate just that.  Certainly, it appears to have much greater right to the name than plants that don't even come from the region where the town of that name is found is SE Brazil.
I am just very anxious for Eduardo and other qualified experts to join the comments!
Steve Lucas
----- Original Message -----
Sent: Saturday, February 24, 2007 8:48 AM
Subject: Re: [Aroid-l] P. 'S. L, Dan and Ted--a reply!

>From : <plantguy@zoominternet.net>
Reply-To : Discussion of aroids <aroid-l@gizmoworks.com>
Sent : Friday, February 23, 2007 9:48 PM
To : "Discussion of aroids" <aroid-l@gizmoworks.com>
Subject : Re: [Aroid-l] Philodendron 'Santa Leopoldina'

Dear Dan (and Ted!),

In our narrow "focus" on this discussion, we have most certainly ommited a
most important point raised by Dan (below), that being the inspection of the
sexual parts of the blooms, and comparison to a 'true' specimen of P.
s.-sancti (available in the fantastic botanical illustrations of Dr.
What I write is from memory, so PLEASE confirm by checking on Eduardo
Goncalves' article with GREAT photos and illustrations of ALL aspects being
A couple of comments will clear this up.---

1)   Dr. George Bunting, who originally described the species, did not have
a bloom (fertile material), so Dr. Goncalves had to wait till he could
obtain fertile material, and only THEN did he complete his fantastic work on
clarifying and doing a new description, photos, drawings and all, INCLUDING
delailed illustrations of the microscopic sexual parts which are imperative
in a FINAL determination.   He also gave invaluable information on the
width-to-length ratio of the leaf blade, very few or maybe no other species
of Philodendron as an adult produces a leaf with a blade that is close to
this ratio.
Ted, to address a point you made, this species has been recognized for MANY
years as being 'special, and plants from the original area have been in
collections for a LONG time (60 years??).   Bear in mind that these plants
are suspected of living for HUNDREDS of years!
The material used by Dr. Goncalves in his description is certainly of this
The reports of the small number of these plants surviving in 'the wild' are
VERY accurate, as difficult as it is to even comprehend, ALMOST the entire
area of what USED to be jungle is now cow-pastures, a very small remnant of
patches small of jungle remain, and the land and these priceless patches
(and the remaining plants) are owned by a man (a friend of Dr. Goncalves)
who recognizes this unique plant.
Read Dr. Goncalves' description of the width-to-length ratio of the leaf,
look at the photos and drawings, and you will and can have NO doubt if you
have or do NOT have or are dealing with a legit. specimen of P. s. sancti.

2) This species seems to bloom only occasionally, so obtaining blooms for
comparison w/ Dr. Goncalves' illustrations is difficult!
There is a photo on Steve Lucas' web-page kindly supplied by Mic Pasqual of
Australia of a bloom produced by his plant which is purported to be this
species, unfortunately the lower part of the spathe was not cut away so as
to be able to see and examine the female parts, but the hope is that Eduardo
can at least give an opinion as to the plant`s determination based on the
spathe/bloom and the photos of the leaves.

3) I have never seen any blooms on any of the other Philodendrons sold as P.
"Santa Leopoldiana", but they are all FAST-growing, vineing species, none
have the width-to-length ratio of their respective leaf blades, so can not
be included as legit. P. s.-sancti.
As discussed (read Eduardo`s article) 'Santa Leopoldiana' does NOT seem to
be a legitimate name, so basically ANYONE can call ANY Philodendron P.
'Santa Leopoldiana" and do with it what they want, so "let the buyer

4) In closing, I urge all growers to obesrve their plants, and should a
bloom be produced, take GOOD photos of both leaves and blooms (after
carefully cutting away a portion of the lower spathe so as to be able to see
the female parts).     If no fertilization is attained, please preserve the
entire bloom in 'rubbing alcohol', there are folks who would like to dissect
and examine these blooms.
Steve Lucas is doing a wonderful service and a fantastic job of compiling
information, correspondence and photos of these plants in an attempt to sort
this puzzle out.   He is doing so amid some pretty 'rough' attacks, etc.  
Please bear in mind that neither Steve or myself are trained Taxonomists,
the FINAL word will hopefully be forthcoming from the experts like Dr. Croat
POSTED MATERIAL!!   Keep up the good work Steve.

Good Growing,


>>Well, I have been following this thread with some interest although I have
>>never grown a Philo. in my life.  In spite of my monumental ignorance of
>>the genus I finally have gotten up the nerve to ask a completely silly
>>question.  I have only heard people talking about the leaf of these
>>plants, the rate at which they grow, color of top and bottom of leaf, etc,
>>but surely a proper ID can not be made for this plant, or this genus I
>>would have thought, based on leaf form and color can it??  The pictures
>>being posted are incredibly beautiful and the difference between juvenile
>>and adult leaf forms is intrigueing, but truly points out the difficulty
>>of relying on these features for an ID.  I have not read of anyone
>>describing the "naughty bits" as Wilbert refers to them for his favorite
>>genus.  Does the Philo. world not rely upon the reproductive bits in the
>>influorescence for a proper ID??   If so, then it would seem that proper
>>IDs would be possible for anyone that has flowered their plant.  Are these
>>almost impossible to flower thus adding to the difficulty??  Also, I would
>>assume that someone is doing the proper DNA work-up on these plants so
>>that a completely unequivocal ID can be had by anyone that wants to submit
>>and pay for genotyping, but perhaps not??

I apologize for the questions of an outsider in this rather exciting
conversation, but I hope that perhaps I can learn a little bit along the way
and perhaps someday I will even have a Philo. of my own....any old Philo. 
Please be gentle in your responses :o)

Gibsonia, PA
zone 6a, where Spring is hopefully just around the corner :o)

    ----- Original Message -----
    From: ted.held@us.henkel.com
    To: Discussion of aroids
    Sent: Thursday, February 22, 2007 2:33 PM
    Subject: [Aroid-l] Philodendron 'Santa Leopoldina'


    OK. So how reliable are the reports of the remaining P. spiritu-sancti
in the wild? What distinguishing marks should we be looking for? I have been
looking at the pictures in the postings and they vary quite a bit. How do I
know a real one when I see it? On what basis do the searchers in Brazil make
their determinations? Maybe the only plants left are examples of one or
another of the sham plants.


Aroid-l mailing list
Aroid-l mailing list

Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index

 © 1995-2017 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement