Аннотация:[Anatomy of the foliage leaves in some species of the genus Amaranthus L. 2. Leaf blade, petiole and vascular system of leaf axis]
The uniform (cranz) anatomical structure of the leaf blade has been discovered in all 10 species investigated. The vascular system of the foliar axis, especially that of the adaxial vascular bundles, is described in details. Some possible causes of the vascular bundle ring formation in the midrib of the bifacial leaves are discussed. The characters of the structure of the foliar axis vascular system are concluded to be inapplicable for the diagnostics and intrageneric systematics of the species in the genus Amaranthus.