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This is a continuously updated archive of the Aroid-L mailing list in a forum format - not an actual Forum. If you want to post, you will still need to register for the Aroid-L mailing list and send your postings by e-mail for moderation in the normal way.
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Re: Contractile roots
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From: Krzysztof Kozminski <kk at netgate.net> on 1997.09.09 at 21:01:23(1201)
On Tue, 9 Sep 1997, MJ Hatfield wrote:
> Wilbert said "contractile roots. Just have a look at older
> roots at the top of the tuber when you take one out."
> Please enlighten me. I don't know what a contractile root looks like.
> Thanks.
See
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http://ng.netgate.net/~kk/Araceae/Amorphophallus/bulbifer.HAM_136.html#bulbifer.HAM_136.3
for a photo of emerging roots in a non-contracted state. Basically, they
are somewhat elastic and their tension holds th tuber in place. On the
older tubers, just after they go dormant, the same roots have a pleated
appearance, somewhat reminding of accordion bellows. You can stretch
them (a little only, as they are dead and not functional any more) and
they shrink back.
====================
Krzysztof Kozminski
kk@netgate.net
http://www.netgate.net/~kk/
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