Re: [Aroid-l] Philodendron stenolobum and P. bipinnatifidum?

**a san juan k*@yahoo.com**

Here it is:
http://www.aroid.org/show/show_images/show/212_jpg.html

I labeled the young plant here as P. stenolobum for
two reasons:

1. the length to width ratio of the larger leaves
especially are greater than 3, which fits P.
stenolobum rather than P. williamsii.

2. the petioles of this plant have a rather smooth
upper surface, which is indicative of P. stenolobum.

Both P. williamsii and P. stenolobum are currently
considered valid species.

--- Russ <chammer@cfl.rr.com> wrote:

> My recollection of P. stenolobum from  the IAS show
> at Fairchild last Sept
> is that all lobes on the leaf are
> extremely narrow and long, and is not the
> philodendron in this picture.
> There was some controversy between
> what I believe is now known as stenolobum and
> another  plant then called
> williamsii.  P. williamsii, at that time was
> described as having a leaf much
> wider in all parts, tips of all lobes were more
> blunt, and was considered
> the species, while the plant now called stenolobum
> was thought to be a
> hybrid of some kind.
> 
> Seems like last year or so someone straightened all
> this out, with the
> magnificently regal narrow leaved plant
> being identified as the species stenolobum, and I
> guess the less attractive
> plant is still williamsii.
> 
> Someone help me with this.   There were some great
> photos of the large
> stenolobum that won a first in the
> Fairchild show, but I couldn't find them at IAS
> site.
> 
> So, based on what I remember, my impression of the
> plant in the photo is
> that it looks more like williamsii than stenolobum.
> 
> Russ
> 
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