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From: Jake Pool <jpower101 at AOL.COM>
Subject: Re: A lobatum
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Hello group,
I believe that I have Arisaema lobatum, but I purchased it as Arisaema
yunnanense var. on the tag. After 3 years after I purchased this plant.
I finally had a chance to speak with the original wholesaler that
supplied the local retail nursery. He was at a winter plant sale and
had photos of plants that looked very familiar, the photos were right
off of Chen Yi's web site. I asked him who his Chinese supplier was and
he fest up when he realized I knew Chen Yi's collection numbers that
went with some of the plants (Podophyllums and Paris). He was also
selling A-145 [Arisaema sp. (46) ] from this years list, labeled
Arisaema sp. They were not up yet, so I hope to see his nursery stock
later this year when everything is up.

I have a link to my photo page, please look at the Arisaema album.
Arisaema yunnanense var. is the first 5 photos.

http://community.webshots.com/user/natureboy77


Is this Arisaema lobatum? Sure looks like it when comparing to the
Gusman book on page 216. The bulbs are even colored like the picture in
the book.

If this is A. lobatum, I have had good success with it for 3.5 years.
Getting bigger ever year, but no new starts above ground. I dug it up
this winter and found 10 tuberlets around it, most were already
detached. It has tried to set seed every year, but fails to ripen.
- Most of my special plants grow in old galvanize tubs, because we
have a excessive moles problems, which cause roots to dry out or plants
to be washed down their tunnels. Plus, I have tons or these tubs to use
up.
- The soil mix is 60% coarse compost, 30% pumice, and 10% sand. I have
had good success thus far.
- I cover some of Arisaema with large glass cake lids or glass
cloches. I do this because I live in an area that is considered
temperate maritime Mediterranean climate on the West coast of the U.S.
I have dry summers and very wet winters. We just had 27 days of rain
straight, almost beat the record of 30 days. The cloches help prevent
an excess of water by diverting it to the sides and dampening the soil,
but not saturating it around the bulb. I do check to make sure that the
soil does not get to dry and remove them when the growth initiates
above ground.

I hope this is helpful. I have learned so much from this discussion
group over the last couple years, be nice if I can give back.

Thanks,
Jake Pool
University of Washington
Public Horticulture (Bachelor's degree), soon to complete
Graham, WA
USDA Zone 7a