lecture3 - Fibers Cell Type? Dicot Monocot 2 Natural Fibers...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 BIO 114- Stem Anatomy Meristems (apical and lateral) Stem function Internal and external stem structures Wood, trees, cork Specialized stems and stem uses Reading in Botany for Gardeners – Meristems: 22-24 – Primary Growth in Stems: 38-44 – Herbaceous and Woody Stems: 56-67 – Monocot Stems: 67-70 Dylan Hannon Talk – Tuesday 7:30 PM Fisher Science Room 285 10 Points Extra Credit for Attending and Sending an email to your lab instructor, explaining what you learned. 1 paragraph Meristems: where growth occurs Primary Growth Apical meristems (in Blue ) Primary tissues Increase in length Meristems: where growth occurs Secondary Growth Lateral meristems (in Red ) Secondary tissues Increase in girth Stem Structure Apical Meristem Leaf Axil Axillary Bud Node Internode Cortex Phloem Vascular Cambium Xylem Vessel Element
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Fibers Cell Type? Dicot Monocot 2 Natural Fibers Natural Fibers Secondary Growth VASCULAR CAMBIUM VASCULAR CAMBIUM VASCULAR CAMBIUM 3 Wood = Secondary Xylem Secondary Xylem Cork Produced by the cork cambium, which develops from parenchyma cells in the cortex Replaces the epidermis Protective outer coating Cork cells are dead and impregnated with suberin wax Commercial cork - Cork Oak ( Quercus suber ) bark Lenticel - tear in the bark to allow for gas exchange C Modied Stems Stolons, or Runners- Horizontal oriented stems. Function: Vegetative Reproduction Modied Stems Succulent Stems- (Spherical Stems) Low surface area-to-volume ratio Function: Water Storage 4 Modied Stems Tuber- The swollen end of an underground stem. Function: Nutrient Storage...
View Full Document

This note was uploaded on 02/07/2011 for the course BIO 114 taught by Professor Ritter during the Spring '09 term at Cal Poly.

Page1 / 4

lecture3 - Fibers Cell Type? Dicot Monocot 2 Natural Fibers...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online