Arum pictum

Jane McGary via pbs pbs@lists.pacificbulbsociety.net
Sun, 10 Oct 2021 10:54:51 PDT
I've grown Arum pictum (which is not to be confused with Arum italicum 
'Pictum') for quite a few years. It's a medium-sized species with deeply 
veined, dark green leaves. Mine came from a single purchased tuber, and 
it has flowered only a few times. The inflorescence is not showy. I 
haven't noticed seeds or seedlings. It does make offsets infrequently, 
but these do not spread away from the parent plant as A. italicum does. 
I find it does best in a well-drained spot with little summer water.

The only Arum species here that produces a lot of viable seed is Arum 
dioscoridis, and there are three clones of it present, so 
cross-pollination may enhance fertilization.

Jane McGary, Portland, Oregon, USA

On 10/10/2021 10:11 AM, Judy Glattstein via pbs wrote:
> I have an Arum pictum purchased from Telos in 2005. Fall flowering of 
> course. ...
> My assumption (and you know what is said about assuming things) is 
> that since there was only the single A. pictum the other seeds were 
> not as viable as I might wish. My original plant has never set seed 
> again. I am hoping that when these young plants are large enough to 
> flower there might be more success in that regards. Do arums prefer 
> cross-pollination? Not that I really have room for half a dozen mature 
> plants.
>
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