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Re: 'Self-heading' Philodendrons.

  • Subject: Re: 'Self-heading' Philodendrons.
  • From: "Eduardo Goncalves" <edggon@hotmail.com>
  • Date: Tue, 4 Sep 2001 20:39:54 -0500 (CDT)

My dear friend Julius,

    I am in hurry right now, but I will try to answer your questions 

1. P. leal-costae has been proven to be hard to cultivate, even in Brazil. I 
have tried and it didnīt work for me. As far as I could observe, it always 
grows in Bromeliadīs tanks, so maybe they need something I couldnīt give 
them (besides stanting water). I have never found it in cultivation here in 

2. No, P. cipoense and P. biribirense are not Meconostigma. They are both 
Philodendron, subg. Philodendron, sect. Calostigma. Anyway, P. cipoense is 
an amazing plant in cultivation. Absolutely eye-catching!

3. I do not know exactly, but Alvim Siedel has P. saxicolum before. However, 
he may be in difficulties sending living plants (even seeds) outside Brazil. 
As far as I know, plant material is still provisorly prohibited to be sent 
out of Brazil (legally), until the new laws are completely applied.

                           Kindest regards,


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
Phone: 55 11 3818-7532
FAX  : 55 11 3818-7547

>Hello Friends,
>Just a quick note, I am trying to determine if anyone in the group has in
>their collection  plants of a few of the rarer, smaller 'self-heading' 
>of Philodendron, section Meconostigma.   The best-know species belonging to
>this group is the ubiquitous and giant P. bipinnatifidium or P. 'selloum' 
>the trade, P. goeldii, and P. williamsii.
>[All of these species are generally available for sale at the IAS show in
>Miami later this month, and there will be plant specimens grown from seed 
>another giant of this group, P. solimoesense, collected in Fr. Guyane at
>auction later this month at the annual IAS show and sale in Miami, don`t
>miss it!!]
>I am particularly interested in hearing from anyone that has plants of P.
>leal-costae, a species whose leaves resemble that of another species in 
>group, the much larger P. goeldii, the 'Scheff.-leafed' Philodendron.   P.
>leal-costae is smaller, and grows in nature in very dry areas of E. Brazil,
>it puts out specialized roots that seek out water in the leaf-'cups' of
>bromileads amongst which it grows.    Friends tell me that it did not
>survive in their collections, but I read that there are specimens growing 
>Burle Marx`s collection in Brazil and perhaps Kew, and I THINK I heard that
>there may be a few in collections around Miami?   Two other species I`d 
>to find are the small Brazilian species P. saxicolum and the closely 
>P. adamantinum, both have deeply divided pinnatifid leaves, but P.
>adamantinum has much deeper divisions, reaching almost down to the 
>attachment.   Photos of these last two species can be seen in Aroideana 
>1, No.1 of 1978 ( ! ) , and of P. adamantinum in the recent issue, 
>Vol. 23 of 2000.   I have also had the pleasure of seeing a beautiful old
>plant of P. saxicolum at Selby Gardens.   I was wondering if anyone had
>imported seed of any of these species in the more or less recent purchase 
>Aroid seed from Brazil, and if anyone did manage to grow any plants to
>maturity from this imported seed?
>Another question--- in the article in Vol.23, ( "Araceae of campos 
>from Espinhaco Range in Minas Gerais State, Brazil", by C. M. Sakuragui, 
>56.) I am somewhat confused by the illustrations of the pistilate flowers 
>a couple of the Philodendrons being discussed, namely P. cipoense and P.
>biribiriense, these illustrations do not allow me to 'determine' if they
>belong to the section Meconostigma, the 'self headers'.   I know that two 
>the species discussed, namely  P. adamantinum and P. uliginosum do in fact
>belong to this section, yet the illus. in Fig. 9 of the pistilate flowers 
>P. uliginosum ('B' and 'F') are quite different one to the other, 'F' has a
>crown of 'hairs' much like the illus. of the pistilate flower of P.
>biribiriense in Fig.5, both of these illus. of pistilate flowers do not 
>like the illus. of pistilate flowers in Simon Mayo`s most excellent paper 
>revision of Philodendron subgenus Meconostigma (Araceae)'  of 1990.   My
>question is --do P. cipoense and P. biribiriense belong to the Philodendron
>subgenus Meconostigma?
>I am looking forward to seeing all of you in Miami later this month!
>Julius Boos

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