Abstract: Spermacoce latifolia, a naturalized species of Rubiaceae, was newly reported in Wenzhou of Zhejiang Province. Based upon wild-field work and visiting, its invasive approach was also analyzed in this paper. Spermacoce latifolia, which originally distributed in the tropic area of South America, was probably introduced as arboretum plants or crop seed unintentionally.

Key words: Spermacoce latifolia, naturalized plant, invasive approach, Zhejiang