Happiness and prosperity, happiness and good luck. The leaves of Chlorophytum in Phnom Penh have bright golden edges, symbolizing the arrival of happiness and wealth. It is considered to bring prosperity and good luck. The golden edge of Phragmites australis in Phnom Penh gives people a festive and auspicious feeling, so people often choose Phragmites australis as decorative plants in some festivals and celebrations.