Leaf blade apex serrulate , margin finely serrulate ; female flowering shoot dichotomously forked at lowermost glomerule ; achene stipitate .

叶片先端有细锯齿的，细有细锯齿的边缘；雌花嫩枝在最下的团伞花序二歧分叉的；瘦果具柄。

Glomerule borne on dwarf , axillary branchlet , dwarf branchlet base fused with petiole and thus glomerule appearing to be borne on petiole .

团伞花序生于矮小，腋生的小枝，矮小小枝基部与叶柄愈合，因此团伞花序看起来是生于叶柄。

Inflorescence usually of several flowers forming a glomerule ( rarely solitary flowers ) , these arranged in axillary or terminal spikes , panicles , or dichasia ; bracts and bractlets absent .

花序的通常数朵花形成的团伞花序(很少单生花)，这些在腋生或顶生穗状花序，圆锥花序，或二歧聚伞花序中排列；苞片和小苞片无。