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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Adam Fikso <irisman at AMERITECH.NET>
Subject: Re: Arisaema dilatatum germination quandry
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Thank you, Diane!.




----- Original Message -----
From: "diane clement" <diane at MCLEMENT.FREESERVE.CO.UK>
To: <ARISAEMA-L at NIC.SURFNET.NL>
Sent: Wednesday, January 26, 2005 3:39 PM
Subject: Re: Arisaema dilatatum germination quandry


>> > Many Lilium species are hypogeal germinators, not issuing a leaf unt=il
> the second year but producing a bulb below ground.<<
>
>> I gather it's monocots only?<<
>
> No not just monocots.  Paeonias do it - producing radicle and roots in =the
> autumn then cotyledons the next spring.  And of course Cyclamen do it,
> forming a tiny tuber first (often within a week or two of sowing) then
> throwing up a leaf a few weeks later.  What else does it??  Hypogeal
> germination is not confined to monocots but what have they in common?  =Are
> they woodlanders that need to anchor themselves with a root system befo=re
> winter sets in then produce leaves in the following spring?
>
> Diane Clement
> Wolverhampton, West Midlands, UK
> Zone 8
>