Definition of coral plant
1 obsolete : a coral like a plant
2a : a much-cultivated East Indian plant (Jatropha multifida) with showy scarlet flowers and deeply incised leaves b : any plant of the genus Erythrina (especially E. corallodendron) c : an essentially leafless Mexican shrub (Russelia equisetiformis) like a rush with bright-red flowers —called also coral blow
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