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Image Title: A Stoma from the Scale of a Female Cone of Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca)
Image Credit: Kevin Hultine, University of Idaho
AJB Editor: Karl Niklas, Cornell University
Intended End User: Teacher, Student
License Details: BSA - Terms for Image Use
Copyright held by: BSA,
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About the Image

A stoma from the scale of a female cone of Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca). Magnification = 6800x. Photosynthesis and respiration of male and female cones of Douglas-fir may have significant effects on whole-tree physiology.

Link to the AJB Abstract for the article:

Carbon and nitrogen allocation to male and female reproduction in Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca, Pinaceae)

National Science Foundation  Development Supported by the National Science Foundation