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Re: 'Self-heading' Philodendrons.

  • Subject: Re: 'Self-heading' Philodendrons.
  • From: "Julius Boos" <ju-bo@email.msn.com>
  • Date: Wed, 5 Sep 2001 10:23:14 -0500 (CDT)


----- Original Message -----
From: Neil Crafter <golfstra@senet.com.au>
To: Multiple recipients of list AROID-L <aroid-l@mobot.org>
Sent: Tuesday, September 04, 2001 9:42 PM
Subject: Re: 'Self-heading' Philodendrons.


Dear Neil,

Thanks so much for taking the time to reply---do you remember HOW the plant
you saw in the Singapore Bot. Gardens was being grown, and did you take any
photographs??   As you may know there is a larger but very simular species
of 'self header', P. goeldii, that is fairly common in cultvation, and is
also easy to grow, and so wonder if the plant you saw might not have been
this more common (in cultivation) species.
You would have read by now Eduardo`s comments on the placement of the two
other species, they are not in the Meconostigma group.   If you`d like to
see photographs of one and illus. of both, check the article I mention in a
recent issue of Aroideana, they are VERY beautiful plants!   I am still
confused by one of the illus. of the fruit of a true 'self-header',
P.uliginosum, which is shown in that article.
Thanks for taking the time to reply!

Sincerely,

Julius

>>Dear Julius
The only plant of P.leal-costae I have seen was in the Singapore Botanic
Gardens
- a long way from you! I have not heard of it being commercially available
either from seed or as plants.
As far as P.cipoense and P.biribiriense, I have checked my Meconostigma
bible,
namely Simon Mayo's revision  of this subgenus in Kew Bulletin Vol 46 No 4
1991,
and as I suspected these are not included in this subgenus as published at
that
time. I should have a look at the artcile you mentioned and see what I
reckon.
Simon is the best one to judge this.
Cheers
Neil<<

Neil Crafter
Adelaide Australia

Julius Boos wrote:

> 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'
group
> of Philodendron, section Meconostigma.   The best-know species belonging
to
> this group is the ubiquitous and giant P. bipinnatifidium or P. 'selloum'
in
> 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
of
> 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
this
> 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
at
> 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
love
> to find are the small Brazilian species P. saxicolum and the closely
related
> P. adamantinum, both have deeply divided pinnatifid leaves, but P.
> adamantinum has much deeper divisions, reaching almost down to the
peduncles
> attachment.   Photos of these last two species can be seen in Aroideana
Vol.
> 1, No.1 of 1978 ( ! ) , and of P. adamantinum in the recent issue,
Aroideana
> 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
of
> 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
rupestres
> from Espinhaco Range in Minas Gerais State, Brazil", by C. M. Sakuragui,
pg.
> 56.) I am somewhat confused by the illustrations of the pistilate flowers
of
> 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
of
> 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
of
> 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
look
> like the illus. of pistilate flowers in Simon Mayo`s most excellent paper
'A
> 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!
>
> Sincerely,
>
> Julius Boos
> W.P.B.,
> FLORIDA.








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