We all know that any thing which retards in any way the free circulation of the sap, also prevents to a certain extent the formation of wood and leaves.

fortuniana also serves as a valuable rootstock in Australia and the southern regions of the United States. By Robert Fortune. 2012.

Robert Fortune (16 September 1812 – 13 April 1880) was a Scottish botanist plant hunter and traveller best known for introducing tea plants from China to India.