Re: [Aroid-l] Philodendron Help

There is obviously more than a bit of disagreement on what "species" the plant known as the Silver Queen actually is.  One well known collector has brought this discrepancy to my attention once before and I began at that time to try to find out which plant is which.  I have found the identical photo of the "Silver Queen" plant identified as both Monstera dubia and Monstera siltepecana on different websites.  The photo of M. dubia on the IAS website appears to be at least similar.  My website is at least one of the sites that currently has the "Silver Queen" noted as the juvenile form of M. dubia.  I received my identification from a well known collector.  However, I have clearly noted on that page as well as M. siltepecana, both are under some scrutiny and review.  I asked Dr. Croat some weeks ago for a clarification but as yet have not received a positive response.  I have seen the plant "Silver Queen" offered for sale on eBay as M. dubia and "Philodendron dubia" as well.  Not being a botanist I attempt only to report what I can verify to the best of my ability.  The plant I have on my site as M. siltepecana was identified for me about 10 months ago by an associate at the Huntington.  Unfortunately, I did not save the email response so I can no longer verify who made that identification.  I would, as much as anyone, love to have an absolute identification on these plants.  I have it noted in several locations on the site I invite those who are qualified to bring inaccurate identifications to my attention.  My personal goal is to be as accurate as possible since I am an admitted student of botany.  Unfortunately, as we all regularly experience, there are a lot of opinions out there about the correct names for a variety of plants.
 
If anyone is absolutely positive about the correct ID I'd love to hear the correct names.
 
Steve Lucas
 
----- Original Message -----
From: h*@witmore.net
To: aroid-l@gizmoworks.com
Sent: Friday, January 05, 2007 8:00 AM
Subject: RE: [Aroid-l] Philodendron Help

Well of course you saw Tom,s post which stated both were s chiapense. Not sure bout that since they are no much alike. Russ said the satin leaved on was S macrophyllum and well as someone else said this. I tend to believe this because of the satin leaf surface. Russ said the other one was P. anisotomum which he said is also known as camposportoanum. I had someone else id it a P camposportoanum. So, the jury is still out. These dang things are so hard to get names for. I want to get names on all my Monstera also and I know that is not going to be easy since allot of them look alike. I saw a reference to what folks call P Silver Queen as actually being Monstera dubia.  I don't believe this for a minute,  I have it as M seltepecana ..
 
I really don't remember where these came from. They were sort of lost in the greenhouse and I found them when I cleaned it out this past summer.
Hope you are well and had a great Christmas and New Year.
Harry Witmore
Cloud Jungle Epiphytes
www.cloudjungle.com
 

From: aroid-l-bounces@gizmoworks.com [mailto:aroid-l-bounces@gizmoworks.com] On Behalf Of RAYMOMATTLA@cs.com
Sent: Tuesday, January 02, 2007 8:47 PM
To: aroid-l@gizmoworks.com
Subject: Re: [Aroid-l] Philodendron Help

Harry,
Is this from the collection at Atlanta Botanical Gardens because if it is,  it is in fact S. chiapense.  However,  i have a smaller, thinner leaved form (that has grown like a weed all over my GH) that was labeled S. macrophyllum and looks alot like the plant pictured.  It is similiar to S. chiapense but, like I said,  thinner, smaller leaves.  For some reason it never seems to want to get adult leaves so that i can correctly ID it. 
Michael

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