Re: Lowest pinnae length as ID clincher

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• Subject: Re: [ferns] Lowest pinnae length as ID clincher
• From: "Judith I Jones" j*@fancyfronds.com
• Date: Fri, 27 May 2005 09:38:27 -0700

Hello Larry,
    The size of the basiscopic pinnule is a distinguishing feature used to
help determine Dryopteris species from one another but is not necessarily
indicative that a fern is a Dryopteris.
Judith I. Jones

----- Original Message -----
From: "Larry Shone" <greenlarry@ntlworld.com>
To: <ferns@hort.net>
Sent: Thursday, May 26, 2005 5:09 AM
Subject: Re: [ferns] Lowest pinnae length as ID clincher


> <In the case of many dryopteris species it is the lowemost pinnule next
> to the rachis or center stem, referred to as basiscopic, is often used in
> the key and to help identify certain species.  It may be smaller than the
> adjacent basiscopic pinnule or larger>
>
> So my fern has a larger basiscopic pinnule, and is rherefore a Dryopteris!
>
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