Biology
Textbooks
Boundless Biology
Plant Form and Physiology
Stems
Biology Textbooks Boundless Biology Plant Form and Physiology Stems
Biology Textbooks Boundless Biology Plant Form and Physiology
Biology Textbooks Boundless Biology
Biology Textbooks
Biology
Concept Version 9
Created by Boundless

Primary and Secondary Growth in Stems

Annual growth rings

Annual growth rings

The rate of wood growth increases in summer and decreases in winter, producing a characteristic ring for each year of growth. Seasonal changes in weather patterns can also affect the growth rate. Note how the rings vary in thickness.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "OpenStax College, Stems. October 17, 2013."
    http://cnx.org/content/m44702/latest/Figure_30_02_09.jpg OpenStax CNX CC BY 3.0.

Related Terms

  • lenticel
  • periderm
  • suberin
  • Subjects
    • Accounting
    • Algebra
    • Art History
    • Biology
    • Business
    • Calculus
    • Chemistry
    • Communications
    • Economics
    • Finance
    • Management
    • Marketing
    • Microbiology
    • Physics
    • Physiology
    • Political Science
    • Psychology
    • Sociology
    • Statistics
    • U.S. History
    • World History
    • Writing

    Except where noted, content and user contributions on this site are licensed under CC BY-SA 4.0 with attribution required.