Philo pollination and scents

**B* W* <p*@windstream.net>**

   I have been attempting a few philodendron crosses and self 
pollination's the last few weeks.  In the past I have never been able to 
produce any really viable pollen on the climbing philodendrons usually 
just a orange to red sticky like sap would form out of the spadix. A few 
days ago a crawling paddle leaf species Philodendron produce a nice 
large flower with actual pollen. I am not sure why it was able to 
produce pollen when for years my mature plants have never produced 
anything that I have noticed that looks remotely like pollen. I used it 
in a few crosses and was able to get what looks to be berries. As for 
the scents I have been amazed at the smells the Philodendrons produced 
at night.  Philodendron cordatum produces a cinnamon nutmeg smell that 
completely smelled up an entire 100 foot long greenhouse. Tonight while 
out looking at the flowers the Philodendron giganteas were blooming they 
produced a pine cinnamon smell. Both flowers were giving off a bit of 
heat from the flowers here from around 9:30 to 12:30 I noticed this heat 
was given off for a few hours only.
   I would like to know if anyone has found the red to orange sap to 
actually contain pollen or if it is a sticky substance used to keep 
pollen on the bugs that would pollinate the plant? If so any suggestions 
on why my plants will not produce pollen? I have heard from friends that 
they also do not seem to find any string or dust like pollen on plants 
grown in Florida. Excluding the Meconostigma group.

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