Rhizomes stoloniferous; ovules or seeds 10-14 per fruit; margin of upper leaves or leaflets entire, repand, dentate, or rarely slightly lobed.

• 根状茎有匍匐茎；每果胚珠或种子10-14；全缘，残波状，具牙齿的上部叶片或小叶的边缘，或很少稍浅裂。(46