Vs: Two observations

[Jan Jacobsen]

Hi Jim and all
I have the same experience with Arisaema rhizomatum as you have, the =ones I have are aprx 5 cm above the soil level, and growing slow!
Jan Jacobsen -Denmark


> I'd be interested if anyone can confirm these two observations:
> 
> 1. I have A. rhizomatum emerging at the moment. I think that I heard =last
> year that it is a late emerger (to put it mildly!), but it is not only =late,
> it is the slowest arisaema that I've ever seen! It's been coming up =for at
> least two weeks, and is just showing the tip of the spathe. It =promises to be
> very attractive, so in another month or two, when it finally is fully =up,
> I'll try to get some photos.
> 
> 2. I know that some others got seeds from T. Nakayama last spring, =including
> two forms of A. ringens. Both of these are extremely robust growers, =with
> almost 100% germination, huge leaflets (some at least 5 cm long) and =(having
> just unpotted them for refrigeration) equally huge tubers for =one-"year"
> seedlings, some almost 2 cm in diameter. These have had nothing =unusual from
> me, just the usual detergent wash, germination in paper towels and =growing on
> in wet turface under lights with small amounts of fertilizer in the =water. Is
> there such a thing as an octoploid A. ringens?!
> 
> Jim McClements
>