[IAWA Forum] 'wood' in sunflowers?

From: "Lachenbruch, Barb" <barb.lachenbruch@oregonstate.edu>
Subject: [IAWA Forum] 'wood' in sunflowers?
Date: Fri, 14 Dec 2007 14:57:31 -0800

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A colleague has asked me whether the tissue at the base of sunflower
plants is correctly and technically called "wood".  He assumes it is not
made by a vascular cambium but that the cell walls in the vessels have
secondary wall layers.=20
=20
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Barb Lachenbruch
Dept. of Wood Science & Engineering
Oregon State University
Corvallis, OR 97331
541-737-4213; fax 737-4213; barb.lachenbruch@oregonstate.edu
http://woodscience.oregonstate.edu/faculty/lachenbruch/
=20

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<DIV><FONT face=3DArial size=3D2><SPAN class=3D959385322-14122007>A =
colleague has=20
asked me whether the tissue at the base of sunflower plants is correctly =
and=20
technically called "wood".&nbsp; He assumes it is not made by a vascular =
cambium=20
but that the cell walls in the vessels have secondary wall layers.=20
</SPAN></FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ =
~ ~ ~ ~ ~ ~ ~=20
~ ~ ~ ~ ~ ~ ~ ~ ~&nbsp;~ ~ ~ ~ ~ ~</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>Barb =
Lachenbruch</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>Dept. of Wood Science =
&amp;=20
Engineering</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>Oregon State =
University</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>Corvallis, OR =
97331</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>541-737-4213; fax =
737-4213; <A=20
href=3D"mailto:barb.lachenbruch@oregonstate.edu">barb.lachenbruch@oregons=
tate.edu</A></FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2><A=20
href=3D"http://woodscience.oregonstate.edu/faculty/lachenbruch/">http://w=
oodscience.oregonstate.edu/faculty/lachenbruch/</A></FONT></DIV>
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