Re: Contractile roots

---

• To: lindsey@mallorn.com
• Subject: Re: Contractile roots
• From: K* K* <k*@netgate.net>
• Date: Tue, 9 Sep 1997 16:01:23 -0500

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 
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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