热唇草为双子叶被子植物、茜草科九节属,生长于巴西到墨西哥湾、西印度群岛一带,其中在特立尼达和多巴哥以及哥斯达黎加的热带丛林中颇为常见。热唇草之所以得到这样一个性感的名字,原因在于它有着像性感少女一样的“双唇”.而它的花朵正好长在“双唇”之间 The hot bract is a dicotyledon angiosperm, and nine families of the genus Rubiaceae grow in Brazil to the Gulf of Mexico, the West Indies, and are common in the tropical jungles of Trinidad and Tobago and Costa Rica. The reason why the hot-lip is so sexy is that it has a “double-lip” like a sexy girl, and its flowers just grow between “lips”