What kind of flower is this? It is especially common in Yunnan.

The flower language of bougainvillea: enthusiasm, perseverance and perseverance. Another flower language: "No true love is a kind of sorrow." Symbol: enthusiasm, perseverance and indomitable spirit. National Flower: Zambia * * * and National Flower: Hainan Flower Market: Xichang City, Sichuan Province; Flowers in Shenzhen, Zhuhai, Huizhou, Jiangmen and luoding city; State Flower of Buyi and Miao Autonomous Prefecture in Southwest Guizhou; State flowers and Kaiyuan city flowers in Yunnan Dai and Jingpo Autonomous Prefecture: flowers in Kaixian County and Yunyang County of Chongqing; Flowers in Xiamen and Sanming City, Fujian Province, and flowers in Hui 'an County; Flowers in Haikou City and Sanya City, Hainan Province; Flowers in Liuzhou, Beihai and Wuzhou of Guangxi Zhuang Autonomous Region; City Flower of Pingtung City, Taiwan Province Province; The city flower of domestic and foreign cities such as Naha, Japan.