Re: pallida and variegata distribution


Some more information which I found today which may help. I found a
couple of photos of Iris pseudopallida. They were dark violet purple.
I was only able to pin down one location, the Peljesac Peninsula. This
is joined to the Dalmatia coast just next to Dulrovnik. This is the
loction that I mentioned as being 8 km north of Kupari, where flowers
of many shades were noted. This is also 50 km to the west of Mostar.
If pseudopallida is located in valleys of the mountains of Croatia,
this would be a likely plaace for it to be found. Thus Mostar cultivar
could very well be a sample of Iris pseudopallida. I havn't found any
descriptions of the biological characteristics. 

Dulbovnik would then have pallida Dalmatica, Kupari and psedopallida
all crossing to give a great pallatte of white to purple. No wonder
the comments re many shades.

Aparently pallida can be distinguished from other plants by the
pigments located in the leaves through paper chromatography. I am just
about finished setting up my chromatography lab. I hadn't thougt of
doing leaves but it makes sense. Maria Colasane has used this to help
establish plant relationships.  If you or anyone else wants to send me
some leaves I will do what I can. A dried leaf works well and
according to Marias papers, seems to be better then a fresh leaf in
some respects. I have a couple of pallidas here but some other samples
to establish a consistent baseline wouldalo be usefull.  Mostar,
Loppio, cengialti and pallida clones. Dry out leaves in silica gel,
place in an envelope and mail it off. A couple of leaves of each
sample to allow for  learning/messing up.

Also at the south end og pallida distribution there could be some
mixing with reginea. I suspect F1 of pallida x reginea will be solid
dark purple, based on what i think I know about the genetics involved.
This can be checked by crossing, which I plan on doing and perhaps by
leaf analysis.

Chuck Chapman

 
--- In iris-species@yahoogroups.com, "David Ferguson" <manzano57@m...>
wrote:
> This is great.  I've never taken the time to sit down and plot
points.  One point I had never looked up is Mostar, and it is very
interesting to see how far it is from the main body of cengialtii.  It
makes one wonder if the 'Mostar' cultivar we grow now is really the
original, or if the seed it came from was really from there, since the
plant we grow looks like a good cengialtii.  It could well be that
cengialtii is simply a higher elevation expression that is wide
spread, but the gap is large, and the fact that more typical pallida
appears to occupy the intervening territory, it leaves a lot of doubt,
and a it would be good to see a lot more field collected material.
> 
> Dave





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