Anatomy and Morphology of Ibyka Amphikoma, a New Plant from the Middle Devonian of New York State |
Contents
Materials and Methods | 12 |
Diagnoses | 15 |
Comparison to Other Genera | 27 |
3 other sections not shown
Common terms and phrases
Amer anatomy Andrews appear arrangement axes axis Banks base bears borne branching system Bull Calamophyton cells characters Cladoxylon scoparium close collected complex composed cortex deposits described Devonian plant diameter dichotomous differs disintegration eastern Equisetum fertile appendages Figure five formation fossil further genera genus Geol Gilboa Hyenia Ibyka indicate Jour known Kräusel & Weyland lateral leaves Leclercq material maturation mesarch metaxylem Middle Devonian morphology occur order branch orders of branching origin Paratype parenchyma pieces plants portion preparation present preserved primary xylem probably protostele protoxylem elements protoxylem lacunae Pseudosporochnus Reconstruction relationship result rock sclereids separate similar single specimen sphenopsids spiral sporangia sporangiophore stele stem sterile and fertile structure suggested terminal Textfig Textfigure tips tissues trace tracheids transfers transverse section ultimate appendages Upper Devonian vascular whorls xylem arms xylem strand York