6 描述
Ancylostemon Craib 直瓣苣苔屬，苦苣苔科，7種，產我國雲南、四川、湖北及陝西。無莖草本；葉全部基生，被毛，羽狀脈，邊有鈍齒或小齒；花莖單生或多數，被腺毛；花多朵排成今形花序式的聚傘花序，很少單生；萼5裂；花冠管狀，中部以上多少一側腫脹，檐2脣形；雄蕊4，每對花葯粘合；子房上位；蒴果線形。
矮直瓣苣苔、凹瓣苣苔、凹瓣苣苔(原變種)、滇北直瓣苣苔、滇北直瓣苣苔(原變種)、峨眉直瓣苣苔、貴州直瓣苣苔、狐毛直瓣苣苔、黃花直瓣苣苔、菱葉直瓣苣苔、毛花直瓣苣苔、融安直瓣苣苔、扇葉直瓣苣苔、凸瓣苣苔、小直瓣苣苔、窄葉直瓣苣苔、直瓣苣苔