Help on identification: Arisaema dracontium vs. Pinellia pedatisecta
malkmus at VERWALTUNG.UNI-MAINZ.DE
Fri Aug 6 01:00:51 CEST 1999
Many thanks to all who helped in identifying this species.
Indeed, plants are a form of Pinellia pedatisecta and not the
>1.Pinellias never have more than one seed per fruit.
>2.The Pinellia seedhead flops down on the ground to disperse the
>seeds, which are still green when ripe.
>3.The Pinellia flowering stem has no leaves. The leaves arise
>directly from the tuber.
>4.The Pinellia spadix is fused to the back of the spathe for some
>5.Pinellias bloom several times in each growing season.
>6.All Pinellias are monoecious (ie, male and female flowers on the
All applies to the plants in my cultivation, except that their size is
much bigger than mentioned by George R. Stilwell Jr.:
> I think the easiest way to distinguish A. dracontium from P. pedatisecta
> is by size. A. dracontium is much, much taller (up to a meter), P.
> pedatisecta is rarely over 10 to 12 cm tall.
Maybe it's a giant form, but ALL plants are at least 30 cm, the flower
stalk with the spathe even more !
I wonder as I received plants from three different sources and all
show the same "unsual" (?) height ... or was it 10 to 12 inches, which
might get closer to the actual height ?
More information about the Arisaema-L