dichasium

Compound dichasium leaf-opposed, with a tendril at base;

复合二歧聚伞花序对生，具一卷须在基部；

A cymose inflorescence in which each axis produces two opposite or subopposite lateral axes.

二歧聚伞花序 Dichasium 每花分为两条相对或近相对的侧轴的聚伞花序。