Re: CP digest 553

Fernando Rivadavia Lopes (
Fri, 8 Dec 1995 15:06:11 -0300 (GRNLNDST)


> Fernando, this method could yield valuable insight for some presumably
> hybrid taxa from Brasil.

I don't suspect any of our species are the result of recent
hybridization, but who knows, some might just turn out to be such cases.

> >What I would like to know (i.e. to ask you, Jos & Juerg) is if the
> >"pitcher" is really formed by lateral coalescence of leaf margins
> >(reminiscent of the pitcher structure in _Sarracenia_) or if it is perhaps
> >resulting from peltation (like in e.g. _Cephalotus_). This would be
> >important because presently it is generally assumed that the traps of
> >_Genlisea_ and _Utricularia_ are formed by peltation rather than lateral
> >margin coalescence.

I've seen G.violacea with pitchered leaves, both in my collection
and also at Ivan Snyder's collection in Los Angeles. These leaves were
almost certainly a result of peltation.

Fernando Rivadavia
Sao Paulo, Brasil