Amorphophallus-Forum.de

Hello lovers of Arisaema,.

Here I would like to start a topic in which the
can be shown different Arisaema tubers, because the form and the
Color of a tuber, before you can see leaves and inflorescences, to the
Determination of a kind can be helpful.

There is no typical Arisaema tuber, in the course of my
I have a wide variety of shapes and colors Arisaema passion
seen: ball, flat or Rhizome-like, smooth or wrinkled, yellow, red,.
Brown, black, white, etc.

At the beginning of my collecting I have tubers at the
Arrive is still not photographed, only in the last few years I have so
started.

Here I want to start off with a few photos.
Maybe you have by your Arisaema tubers, you also recorded here
You can show.

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Arisaema nepenthoides, two different tubers, the is
but yet very similar.

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Arisaema sikokianum, this tuber is here a week ago
arrived.

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Arisaema speciosum, image from the previous year. The tubers
Arisaema speciosum growing Rhizome-like, so they need Arisaema sikokianum
2017-1 when planting absolutely flat in the substrate to be, not with
Tip to above, this would sooner or later to the loss of the tuber
because her fault then from the bottom up.

Many greetings,
ADA

Hi Bernard,.

many Arisaemas ambiguous by their tubers are so be sure to distinguish. The ones shown by friends - A. fargesii and A. candidissimum - are even quite similar, they are both red brown tubers and described with several side shoots. One difference would be that the roots of A. candidissimum as rather wooden (woody) and describes well branched.

As the Arisaemas particularly interest me, I got to this genre the book "the genus Arisaema" bought by Guy and Liliana Gusman, in this book are the too the tubers described the plant rules, and shown in photos. If it deepens it, you can see a lot of differences. Also the input shown by me A. speciosum, for example, has a typical tuber.

Is this not also the case that the tubers are quite different, and you can determine, but exclude the one or the other assignment on the basis of the tubers with your favorite genus of Amorphophallus if not downright direct?

Here I can show now an Arisaema tuber that has some typical characteristics of A. negishii - this Arisaema is not Hardy, comes from Islands South of Tokyo. The mapping is provided, as at many plants, always again controversial, it was to A. tortuosum and to A. clavata. So here is the bulb, it has an interesting greenish colour and a typical roundish shape:

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As well, I think if here again someone shows its tubers, that this can occasionally be useful for a determination.

Many greetings,
ADA

Hello dear fellow forists,

the fact that Arisaema is my favorite genus has been shown again this year: I have bought several new tubers, which are now stored in the cellar as anticipation of spring and summer. Since I have photographed them all, I will show them here in this tuber collection.

In the first picture there are three together, all of which came in one package from Holland: A. lichiangense, A. taiwanense and A. utile. Then the three can be seen again in individual shots. I found it interesting that the smooth part of the tuber surface is slightly pink in A. lichiangense, in A. taiwanense it is green-bluish.

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Then I have one tuber each of A. heterophyllum, A. sikokianum and A. thunbergii ssp. urashima (the last two photos).

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Best regards,
Ada

Hello Bernhard,

the new tuber of A. sikokianum, like the other new tubers, is still in the cellar, wrapped in Kokohum.
It is my third Sikokianum: the first one I had in the pot, it looked great, but was rotten away after 2-3 years. After the leaves have moved in in the summer, you have to be careful that they are not too wet. The second one I had planted out, it bloomed beautifully in 2017 and 2018. She did well and was strong in the garden, but I probably injured her once while digging or so accidentally, at least from 2019 only thin leaves came.

Now I'm looking forward to the new one, which comes first to drive in a pot, but I will plant it out soon as soon as I have the right place in the garden.


Best regards,
Ada