the castor-oil plant also used for other plants

Components
艹 meaning component

  Meaning component

caocǎo

  

grass

plant

卑 sound component

  Sound component

bēi

  

humble, inferior

Evolution

萆 Bronze script Late Warring States (~250 BC)

Bronze script

Late Warring States (~250 BC)
萆 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
萆 Regular script Modern

Regular script

Modern
Definitions

 

the castor-oil plant also used for other plants; castor seed