OBSERVATIONS ON PLASTID FINE-STRUCTURE IN THE HOLOPARASITIC ANGIOSPERM EPIFAGUS VIRGINIANA |
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| Authors: | Michael A Walsh Eric A Rechel Thomas M Popovich |
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| Institution: | Plant Anatomy Research Laboratories, Department of Biology, UMC 45, Utah State University, Logan, Utah, 84322 |
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| Abstract: | The ultrastructure of plastids in cortex and phloem parenchyma cells of Epifagus virginiana (L.) Bart. is described. Based upon morphology and content, several distinct plastid types appear to exist. “Tubular” complexes, lipid globules and electron dense inclusions in different arrangements appear to account for the degree of plastid variability. When results obtained with Epifagus are compared with those obtained by others for a closely related genus, a striking parallel is shown to exist. |
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