John Curtis University of Wisconsin Department of Biology Stevens Point Wisconsin USA,Nels R. Lersten Iowa State University Departement of Botany Ames Iowa 50011 USA
Keywords
Populus tremuloides (quaking aspen) - Laterally compressed petioles allow any breeze to cause leaves to vibrate or "quake". This
Description
BSA Plant Images Online - Populus tremuloides (quaking aspen) - Laterally compressed petioles allow any breeze to cause leaves to vibrate or "quake". This movement makes it difficult for insects to land on or crawl on leaf surfaces.
Populus tremuloides (quaking aspen) Laterally compressed petioles allow any breeze to cause leaves to vibrate or "quake". This movement makes it difficult for insects to land on or crawl on leaf surfaces.
Publisher
Botanical Society of America
Additional data
copyright: John Curtis and Nels Lersten, BSA
license: http://images.botany.org/index.html#license