DEVELOPMENTAL ANATOMY STUDIES ON THE ANOMALOUS STRUCTURE IN THE STEM OF CISTANCHE TUBULOSA Developmental anatomy and the anomalous structure of the stem in Aloe arborescens Microscopic anatomy of abnormal structure in root tuber of Pueraria lobata A Study on Anatomy of Aconitum finetianum Hand.-Mazz. Morphogenesis and structural development of the root tuber of Rehmannia glutinosa cv. Hueichingensis