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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: "Mellard, David (ATSDR/DHAC/SRAB)" <dam7 at CDC.GOV>
Subject: Pinellia pedatisecta
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>Yes definitely Pinellia pedatisecta & not Arisaemas heterophyllum or
dracontium. Not as we know them in NZ anyway. I am comparing photographs
of the three taken in my garden last season.

I'll add that it's a weedy pest.  I planted one corm in 2000; the next
year or two saw it produce seed (every flower produces seed), and new
plants emerged  I thought how nice.....then the nightmare began.  New
plants started emerging throughout the garden and it quickly
out-competed Trillium and other southeastern US natives.  I began
pulling plants and haven't stopped.  In many cases the stalk will break
away leaving the corm so one much take the extra effort with a trowel to
make sure that the entire plant is removed.  Now this isn't too terrible
a task, weeding is part of being a gardener and I usually enjoy the task
except this plant gets going during our hot summers.  The heat
eventually drive me indoors so I invariably miss plants that mature and
produce seeds.  It is under control but not eradicated.  

David
Hotlanta (Atlanta, Georgia, USA)

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