Arisaema robusta

[George R Stilwell, Jr.]

Paul,

The reason we send out the most complete Arisaema species list in the
world in
the AEG Info-Pack is so members can answer questions like yours for
themselves.

The species names that are valid are in bold font while the synonyms are
in plain font and
usually followed by the proper name.

A quick search for robustum shows:

A. amurense ssp. robustum (Engler) Ohashi & Murata as a valid name while
A. robustum Nakai = A. amurense. Note that some forms of A. robustum
are synonyms for other species as documented in the species list.

So it is clear that A. robustum is not a valid name, probable that your
plant is
A. amurense ssp. robustum, but it could be another species if the source
failed to document which variety of (A. robustum) you got.

Check the list for the details.

Ray
GRSJr at Juno.com

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