Re: dipsacus

From: Nigel Hurneyman (nhurneyman@onemeaning.com)
Date: Thu Mar 05 1998 - 01:55:52 PST

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Date: Thu, 5 Mar 1998 09:55:52 -0000
From: Nigel Hurneyman <nhurneyman@onemeaning.com>
To: cp@opus.hpl.hp.com
Message-Id: <aabcdefg845$foo@default>
Subject: Re: dipsacus

Hi Jaap,

I once saw a list of 10 unlikely book titles, in a magazine devoted to
such trivia, which included 'The Common Teasel As A Carnivorous Plant'.
Dipsacus spp tend to accumulate water in the leaf axils and small
insects can drown there but the plant does not excrete any enzymes to
digest them so fails the strict test of carnivory. However, given a few
million years they might develop into fully-fledged pitcher plants, and
then in a few more million years they might develop the capability to
excrete digestive enzymes.

NigelH

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