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On Mon, Jun 9, 2008 at 2:21 PM, brian lee wrote:
> Dear Alex,
>
> Aloha. Beautiful photos.
>
> Have you seen the beetles or other pollinators on this or other Araceae in
> your restinga?
>
> Aloha,
>
> Leland
>
>
> --- On Sun, 6/8/08, Alex Popovkin wrote:
>
> > From: Alex Popovkin
> > Subject: Re: [Aroid-l] Structures on a Philo. spadix
> > To: "Discussion of aroids"
> > Date: Sunday, June 8, 2008, 1:03 PM
> > The same process on Philodendron acutatum Schott from the
> > restinga area of
> > Bahia, Brazil, could be seen in a series of images
> > beginning with this one (
> >
> http://www.flickr.com/photos/plants_of_russian_in_brazil/469014436/in/set-72157600110831842/
> > ).
> >
> > Alex Popovkin
> >
> http://www.flickr.com/photos/plants_of_russian_in_brazil/sets/72157600110831842/
> >
> > On Sun, Jun 8, 2008 at 11:43 AM,
> > wrote:
> >
> > >
> > >
> > >
> > > ________________________________
> > > > From: Steve at ExoticRainforest.com
> > > > To: aroid-l at gizmoworks.com
> > > > Subject: [Aroid-l] : Philodendron sagittifolium
> > at female anthesis!
> > > > Date: Sun, 8 Jun 2008 08:45:00 -0500
> > > >
> > > >
> > > > Philodendron sagittifolium cut spathe
> > >
> > > Dear Steve and fellow Aroidophiles,
> > >
> > > Steve`s excellent photo is of a typical bisexual
> > aroid`s spadix, in this
> > > case the species is Philodendron sagittifolium.
> > > The lower yellowish section is the zone of female
> > flowers, they were hidden
> > > within the globular lower portion or chamber/tube of
> > the spathe, and would
> > > have been seen to be wet and
> > ''sticky'' earlier on when female anthesis
> > was
> > > in progress. They will dry and turn brown shortly.
> > > It is not really visible, but just above this female
> > zone is a shorter zone
> > > of sterile male flowers, they are thought to be the
> > source of the scent
> > > production. This shorter zone is the point at which
> > the spathe is
> > > constricted and so closely
> > ''embraces'' the spadix.
> > > Above this is the resin covered and stained male
> > section of flowers
> > > extending upwards to the tip of the spadix. In this
> > case the spadix is said
> > > to be fertile to the tip, but in some Philodendrons
> > and in some other
> > > bisexual aroids there is a sterile area of male
> > flowers near the tip, also
> > > thought to be involved in scent production.
> > > At male anthesis the fertile portion would be seen to
> > be covered in pollen
> > > extruded by the male flowers, this pollen under
> > natural conditions in the
> > > jungle would adhere to the emerging beetles glued to
> > their shiny surfaces by
> > > the resin seen as a reddish stain on this portion of
> > the spadix.
> > > I hope that this is of help in understanding the
> > pollination mechanism of
> > > some aroids.
> > > Thanks for sharing with all of us, Steve.
> > > Good Growing,
> > >
> > > Julius
> > > >
> > > > Julius asked this morning that I cut the spathe
> > away. Here is the photo
> > > of the exposed interior. I would like for him to
> > explain what you are
> > > seeing. I've read this material several times but
> > do not feel I am
> > > proficient or qualified in making an explanation. I
> > intentionally left the
> > > photo oversized so you could scroll up and down to
> > better examine the
> > > subject.
> > > >
> > > > Take it away Julius!
> > > >
> > > > Steve Lucas
> > > > www.ExoticRainforest.com
> >
> > > _______________________________________________
> > > Aroid-L mailing list
> > > Aroid-L at www.gizmoworks.com
> > > http://www.gizmoworks.com/mailman/listinfo/aroid-l
> > >
> >
> >
> >
> > --
> > Alex Popovkin
> > -12.01783 -38.04863
> >
> http://www.flickr.com/photos/plants_of_russian_in_brazil/_______________________________________________
> > Aroid-L mailing list
> > Aroid-L at www.gizmoworks.com
> > http://www.gizmoworks.com/mailman/listinfo/aroid-l
>
>
>
> _______________________________________________
> Aroid-L mailing list
> Aroid-L at www.gizmoworks.com
> http://www.gizmoworks.com/mailman/listinfo/aroid-l
>
--
Alex Popovkin
-12.01783 -38.04863
http://www.flickr.com/photos/plants_of_russian_in_brazil/
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