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Rafflesia arnoldii
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... • In the center of a typical flower are the carpels, modified leaves which enclose the ovules. These are often fused to form a single pistil in the center of the flower. • Surrounding the carpels are several narrow stalks topped by pollen sacs; these pollenbearing stalks are called stamens. • Around ...
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... produced by compound leaves by sampling 10 common flowering plant species found growing in the eastern United States. Each species was examined for its growth rate, herbivory resistance, successional status, shade intolerance, and drought tolerance, conjointly forming the basis for what this study d ...
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Plant evolutionary developmental biology



Evolutionary developmental biology (evo-devo) refers to the study of developmental programs and patterns from an evolutionary perspective. It seeks to understand the various influences shaping the form and nature of life on the planet. Evo-devo arose as a separate branch of science rather recently. An early sign of this occurred in 1999.Most of the synthesis in evo-devo has been in the field of animal evolution, one reason being the presence of elegant model systems like Drosophila melanogaster, C. elegans, zebrafish and Xenopus laevis. However, in the past couple of decades, a wealth of information on plant morphology, coupled with modern molecular techniques has helped shed light on the conserved and unique developmental patterns in the plant kingdom also.
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