Rachis
Revision as of 14:13, 14 October 2005 by Kleinhenz.16 (talk | contribs)
1. the stem or petiole-like central axis of a pinnately compound leaf, connecting the petiolules to the petiole
2. portion of pinnate leaf to which leaflets are attached
The Rachis is clearly shown in this drawing.
Source:http://www.imagedeliverysystems.com