Leaf blade angustate triangular, base truncate or shallowly cordate, lateral basal nerves reaching to the middle-lower margin; inflorescences straight; achene verrucose.

• 叶片狭三角形的，基部截形或浅心形，侧基部叶脉伸到中间的更下部边缘；花序直；瘦果多疣(2