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Image Title: Cross section of Lilium at the tetrad stage
Image Credit: Christophe Clement, Université de Reims Champagne-Ardenne
AJB Editor: Karl Niklas, Cornell University
Intended End User: Teacher, Student
License Details: BSA - Terms for Image Use
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About the Image

Cross section of Lilium at the tetrad stage stained with the PAS polysaccharide specific reaction. Soluble carbohydrates are detected within the locular fluid and the tapetum, whereas starch grains are accumlated in the outer anther wall layers (epidermis, endothecium, and middle layers).

Link to the AJB Abstract for the article:

Floral organ growth and carbohydrate content during pollen development in Lilium

National Science Foundation  Development Supported by the National Science Foundation