"rjb" wrote in message
...

06 is an easy one. Almost certainly the stilt roots at the base of a
young
palm Socratea (probably exorrhiza but I've seen a lot of S. salaszarii
near
Iquitos also.)

It seems You were right. It looks like Socratea exorrhiza to me.
I'd be glad to see some info about the other pictures I've provided.

Greetings,
Bpjea