Flowering pear tree pyrus calleryana fleclocher - is pyramidal with smooth branches, exhibits late flowering and leaf loss and is propagated by grafting

摘要

The flowering pear-tree pyrus calleryana Fleclocher has characteristics infallibly transmitted asexually. It is vigorous and of pyramidal shape, with a strong trunk and strong smooth branches. Flowering and leaf loss take place late, so that there is high resistance to cold. Leaves are very thick, shiny and abundant, and the plant is proPagated by successive grafting operations.