九节属（学名：Psychotria）是茜草科下的一个属，为灌木至小乔木植物。该属共有约700余种，分布于热带和亚热带地区。

• 嘴唇花(Psychotria elata / (Sw.) Hammel)

Psychotria is a genus of flowering plants in the Rubiaceae family. It contains around 1,850 species and is therefore one of the largest genera of flowering plants. The genus has a pantropical distribution and members of the genus are small understorey trees in tropical forests. Some species are endangered or facing extinction due to deforestation, especially species of central Africa and the Pacific.