smalltown_huang's Identifications

Torenia is a genus of plants now classified in the family Linderniaceae. Torenia has also been classified in the figwort family Scrophulariaceae. Often called wishbone flowers, bluewings; in Hawaii nanioola'a or ola'a beauty, some species are grown as garden plants. Many F1 and F2 Torenia hybrids have been hybridizied in the last 30 years. Colors can range from white with yellow throats to violet, blue, cobalt, lavender and purple. (Source: Wikipedia).

Observation:
This plant is cute and sensitive to heat , the color of its stem is green same to its leaves.