TRENDS OF SPECIALIZATION IN THE FLOWER OF POLYGONACEAE
Author
D.K. AGRWALAND N.P. SAXENA
Abstract
The floral plan of Polygonaceae flower is basically hexamerous in Rheum and Rumex. It probably gave rise to pentamerous and tetramerous conditions by reduction. There has been phylogenetic modification in the organization of the floral vasculature not only through reduction but also through ampli