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From: Brian Cook <bcook at INTERLOG.COM>
Subject: Re: Pinellia pedatisecta and the mystery one
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Thanks for all the helpfull replies on the pedatisectas. 

To get back for a moment to the seeds I received a while ago labeled
P.tridentata, they are growing well and are now large enough to at
least be able to tell that they are not P.pedatisecta. I started seeds
of both varieties at the same time to have something to comapre them
to. The second leaves have started to appear and they are quite a bit
different in appearance from the pedatisecta. 

The cotyledon of the "tridentata" is quite round, asymmetrical, no
lobes or cleft at the petiole compared to the pedatisecta's  pointed
cordate shape and fairly pronounced lobes and deep cleft.

The adolescent (for lack of a better term) leaf on the tridentata is
lanceolate / no lobes and all leaves are have a satiny sheen possibly
due to being slightly hirsute but it is hard to tell with the limited
magnification I have available. A droplet of water remains in place
when the leaf is held vertically.

The pedatisecta have quite glossy leaves and pronounced indentation
along the leaf veins where as the surface of the tridentata appears
quite smoth with an indentation only along the central vein. The
pedatisecta has many leaf veins compared to tridentata with (to the
naked eye at least) only 3.

Is this starting to sound familiar to anyone yet? 

Thanks again,
Brian