A determinate cymose inflorescence with a zigzag rachis;often used in the same sense as helicoid.

蝎 Scorpioid 花序轴“之”字形弯曲有聚伞花序。

A dense helicoid cyme with the pedicels short on the developed side.

蝎聚伞花序 Cincinnus 螺旋聚伞花序，花梗在花序发育一侧渐短。