Re: Thorns at anubiases

**&* C* <T*@mobot.org>**

Pete:  In the neotropics prickles are common on some species of
Homalomena, especially H. strictum.

Tom 

-----Original Message-----
From: aroid-l-bounces@gizmoworks.com
[aroid-l-bounces@gizmoworks.com] On Behalf Of Peter Boyce
Sent: Monday, February 16, 2009 12:53 AM
To: Discussion of aroids
Subject: Re: [Aroid-l] Thorns at anubiases

Ah, these are prickles. Prickly petioles are well known in the lasioids
but 
also occur in Nephthytis and also Anubias. There role is completely
obscure.

Very best

Peter
----- Original Message ----- 
From: <dloginov@ineos.ac.ru>
To: <aroid-l@gizmoworks.com>
Sent: Sunday, February 15, 2009 2:02 AM
Subject: Re: [Aroid-l] Thorns at anubiases

> Hello,
>
> Thanks for your attention to this problem. I with my colleague Sergey
> Gerasimov (from Ukraine) looked the thorns at following species: A.
> afzelii, A. gilletii, A. heterophylla, Anubias &#8216;Frazeri&#8217;
and
> A. barteri var. caladiifolia &#8216;Variegated&#8217;. These thorns
are
> part of actual leaf, namely petiole, as epidermal outgrowths.
>
> The photo of petiole of A. heterophylla is attached.
>
> Dmitry Loginov
> 

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