Article
Leaf traits and herbivory levels in a tropical gymnosperm, Zamia stevensonii (Zamiaceae).
American journal of botany - 1 Mar 2014
Prado Alberto, Sierra Adriel, Windsor Donald, Bede Jacqueline C
Abstract excerpt
PREMISE OF THE STUDY: Slow-growing understory cycads invest heavily in defenses to protect the few leaves they produce annually. The Neotropical cycad Zamia stevensonii has chemical and mechanical barriers against insect herbivores. Mechanical barriers, such as leaf toughness, can be established only after the leaf has expanded. Therefore, chemical defenses may be important during leaf expansion. How changes in...
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