More information . Electrical Conductivity . Describes an African Violet flower with an edge that differs in color from the rest of the flower. Also see Geneva . Flowers are pink stars with a darker pink center.
Leaves are dark green.
More information . Substance which cannot be chemically reduced to more simple substances. There are 92 known elements, with hydrogen as the simplest. In horticulture, there are 16 essential elements . Eight of these are major elements , while the other eight are considered micronutrients .