Re: [Aroid-l] Philodendron glaucophyllum

There are a lot of rules governing the publication of species and culton names and although to folks not regularly describing novel names these rules may seem arcane in fact such rules are vital since they prevent the uncontrolled proliferation of names and all the subsequent confusion that will occur; especially important in taxonomically large horticulturally important genera such as Philodendron.
 
When Tom says that there is no such name, he means that the name is not formally (validly & effectively) published.
 
Pete
----- Original Message -----
From: Bluesea
Sent: Tuesday, May 16, 2006 12:21 PM
Subject: Re: [Aroid-l] Philodendron glaucophyllum

Well Steve, per our private discussion as to the true identity of the elusive species P. mandaianum, or hybrid P. X 'Mandaianum', the latter of which is pictured and described in Exotica and Tropica (Graf), and other sources as well, Tom's reply of 'no such name' is most interesting.
 
I don't know where to go from here.  Can anyone out there help with our dilemma.  Graf describes this Philo as a hybrid, he even lists the parents as P. domesticum X erubescens, and calls it the first Philodendron hybrid in the US, 1936. Graf calls it the 'Red Leaf Philo', selected by Manda as having the darkest red coloring, perhaps from a number of seedlings from the same cross.  
 
Steve Lucas has an all green Philo that came to him named P. mandaianum.  I have received an all green Philo from a separate source with this name.  This cannot be the Philo Graf knew as P. X 'Mandaianum', which he described and pictured in his reference books.
 
I'll have to find some info about the P. smithii that Tom mentions.
 
Russ
central Fla 
----- Original Message -----
From: Tom Croat
Sent: Monday, May 15, 2006 11:48 PM
Subject: RE: [Aroid-l] Philodendron glaucophyllum

Steve:  There is also so just name as P. mandianum (or whatever you were calling that thing that looks like P. smithii).

Tom

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