Photographic Atlas of

Plant Anatomy*

John D. Curtis Ph.D.
Professor Emeritus, Biology Department, University of Wisconsin - Stevens Point

Nels R. Lersten Ph.D.
Professor Emeritus, Department of Botany, Iowa State University

Michael D. Nowak Ph.D.
Researcher, Natural History Museum, Oslo University

Nels Lersten and John Curtis, his student, were involved in plant anatomy teaching and research for more than 60 aggregate years. In the transition to retirement, it has been their intent to make images from their work available without restriction to other teachers and students of plant anatomy. Michael Nowak, a student of John Curtis and representing a third academic generation, was primarily responsible for implementing the website. Since 2002, the University of Wisconsin at Stevens Point has generously provided support and technical assistance for this unique academic resource. Most elements of plant structure are represented in this atlas, but the image set does reflect Lersten’s and Curtis’s research emphasis on plant secretory structures.

Parenchyma Gymnosperm Wood Gymnosperm Leaves
Collenchyma Dicot Wood Dicot Leaf Cross-Sections
Sclerenchyma Petrified Wood Dicot Leaf Paradermal Sections
Xylem Development External Wood Features Dicot Leaf Veins
Primary Xylem Bark Monocot Leaves
Early Secondary Xylem Periderm Bamboo Leaves in Particular
Vascular Cambium Root System Leaf Morphology
Phloem Root Apex Epidermis and Stomates
Stele Types Endodermis C3-C4 Anatomy
Tracheoid Anatomy of Campsis radicans Root Hairs Leaf Development
Stem Morphology Root Secondary Growth Leaf Abscission
Nodal Anatomy Lateral Roots Insect Symbiosis with Leaves
Bud Anatomy Dicot Root Cross-Sections External Secretory Structures
Reproductive Anatomy Monocot Root Cross-Sections Secretory Cavities and Canals
Nectaries Haustoria Secretory Cells
Trichomes with Spiral Primary Cell Wall Crystal Cells Resin Glands
Non-Secretory Trichomes Internal Idioblasts Other Secretory Glands
Carnivorous Plants Hydathodes Laticifers

*Revised and updated 2015 by David Hillier Ph.D., Professor Emeritus, and John Hardy B.A., Lab Manager and Lecturer, both from the Biology Department, University of Wisconsin - Stevens Point. Some missing original images restored 2019.

Corrections/Comments welcome!