new site/Pinellia question

[Gusman Guy]

>Doesn't this look like a Pinellia to you? Check out all the other
>catagories here, aroids, orchids, "mountain turtles". Some cool plants.
>Found this site while researching Musella lasiocarpa which I just purchased
>from a roadside nursery yesterday. This message was cross-posted.
>
>http://www.natureproducts.net/Forest_Products/Aroids/Arisaema.html
>
>
>Bonaventure Magrys
>Cliffwood Beach, NJ
>
>
It's always dangerous to identify a plant from one specimen only because the variability of the species in the wild is unknwon. But it is certainly an Arisaema and not a Pinellia because the structure of the inflorescence is completely different. To be honest, I hesitate between A. yunnanense and A. prazeri. The former, usually, has a shorter spadix; the latter, usually, has white streaks along the tube, up to throat level, where a kind of white spot is shown. This specimen does not match any of them, in their respective typical forms, but could well be an extreme, marginal form of each of these two species. I'd like to get more information, on the tuber for instance.
Regards.
Guy Gusman