| Lima beans | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Rosids | 
 
| Order: | Fabales | 
 
| Family: | Fabaceae | 
 
| Subfamily: | Faboideae | 
 
| Genus: | Phaseolus | 
| Species: | P. lunatus | 
| Binomial name | 
| Phaseolus lunatus 
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| Synonyms | 
| Dolichos tonkinensis Bui-Quang-ChieuPhaseolus bipunctatus Jacq.Phaseolus ilocanus BlancoPhaseolus inamoenus L.Phaseolus limensis Macfad.Phaseolus lunatus var. macrocarpus (Moench) Benth. Phaseolus macrocarpus MoenchPhaseolus portoricensis Spreng.Phaseolus puberulus KunthPhaseolus rosei PiperPhaseolus saccharatus Macfad.Phaseolus tunkinensis Lour.Phaseolus vexillatus Blanco, nom, illeg, non L.Phaseolus viridis PiperPhaseolus xuaresii Zuccagni
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A lima bean (Phaseolus lunatus), also commonly known as butter bean, sieva bean, double bean or Madagascar bean, is a legume grown for its edible seeds or beans.