Post on 21-Dec-2015
Inside stemsI. Herbaceous stems
A. EpidermisB. Cortex and pithC. Vascular bundles: primary xylem and phloem
II. Stem thickening: woodA. Development of vascular cambiumB. Cork cambiumC. Other features of wood
1. sapwood and heartwood2. vascular rays3. growth rings
III. Monocot stems
I. Herbaceous stemsA. EpidermisB. Cortex and pithC. Vascular bundles: primary xylem and phloem
cuticle
cortex
II. Stem thickening: wood
A. Development of vascular cambiumB. Cork cambium
C. Other features of wood
1. sapwood and heartwood2. vascular rays3. growth rings
Conifer wood and dicot wood
Tracheids Vessel elements
III. Monocot stems
The end