Abstract
The cultivation and application of Pseuderanthemum palatiferum, a plant found in the latter half of the
1990’s in northern Vietnam, was studied at a total of 12,829 households located in the city center and
suburb of Cantho city. The frequency of the households cultivating the plant, the plant’s population
and age, recipients, purposes and amount of the dosages were surveyed in interviews with households.
Second, growth of the plant at an experimental farm of Cantho University was observed. Only 1.1% of
the total households cultivated the plant. However, more (p