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Wed Jan 26 22:39:12 CET 2005


hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: diane clement <diane at MCLEMENT.FREESERVE.CO.UK>
Subject: Re: Arisaema dilatatum germination quandry
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> > Many Lilium species are hypogeal germinators, not issuing a leaf unti=l
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 th=e
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?  Ar=e
they woodlanders that need to anchor themselves with a root system before
winter sets in then produce leaves in the following spring?

Diane Clement
Wolverhampton, West Midlands, UK
Zone 8



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