[Arisaema-l] ID problem: fargesii or franchetianum

[Guy Gusman]

Very interesting indeed! As you say, your specimen, that has a spathe of franchetianum and a leaf of fargesii, shows that both could well be considered one species only. With regard to the variation of the species, fargesii should then be a synonym of franchetianum, not even a variety. But in the Flora of China, the distinction is based on the shape of the inflorescence and both species are taken into consideration.
All the best.
Guy Gusman

Le 29 mai 2014 à 23:02, Charles Hunter a écrit :

> The plant in the attached photos was Chen Yi number A-14, identified as Arisaema fargesii, but we know that Chen Yi IDs are almost worthless. Nevertheless, that is how I tagged the plant, which put out a spectacular bloom this year.
>  
> Reading my Gusman book, it says under fargesii (p. 252) : "Close to A. franchetianum, from which it differs by only a few characters, A. fargesii could even be considered a variety of the former."
>  
> The huge central leaflet (see first picture) would lean towards fargesii. However, the extreme curvature of the spathe limb beyond a full circle is typical of the variety of A. franchetianum known as purpureogaleatum (see page 255 of the book). But the last photo shows the recurving of the mouth-margins (like the fargesii description). Finally, the end of the spathe tip (see 2d photo) seems to me as intermediate between the long thread of the franchetianum and the narrow shorter extension of fargesii.
>  
> Any of you Arisaema experts got a good idea? Or maybe this plant is evidence that there is just one species.
>  
> Charles Hunter
> Smyrna, Georgia z7 USA
> <Arisaema fargesii1 5-29-14.jpg><Arisaema fargesii2 5-29-14.jpg><Arisaema fargesii3 5-29-14.jpg><Arisaema fargesii4 5-29-14.jpg>_______________________________________________
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