[Taxacom] [Fwd: leaves facing the same direction]

groff at bio.miami.edu groff at bio.miami.edu
Fri Oct 19 23:30:28 CDT 2007

Hi Mario,

How about "secund."

Paul Groff
Postdoctoral Associate
Department of Biology
University of Miami
Coral Gables, FL 33124

---------------------------- Original Message ----------------------------
Subject: [Taxacom] leaves facing the same direction
From:    "Mario Blanco" <mblanco at flmnh.ufl.edu>
Date:    Fri, October 19, 2007 4:17 pm
To:      "TAXACOM" <taxacom at mailman.nhm.ku.edu>

Hi taxacomers,
I am looking for a term that describes the condition in which all the
leaves in a given branch (more correctly their adaxial sides) face the
same direction. Usually the petioles are twisted (90 degrees if the stem
has distichous phyllotaxy).

Someone suggested "complanate", but this merely means that the structure
is flattened.

I would appreciate if anyone knows a botanical term for this condition,
or if a zoological term exists to describe something similar
(dorsiventral structures facing the same direction, but that normally
face random directions).

Mario A. Blanco
Department of Botany
University of Florida
220 Bartram Hall
Gainesville, FL 32611-8526

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