What is Castor plant?

The Castor oil plant, Ricinus communis, is a species belonging to flowering plant in the spurge family of Euphorbiacea, Which is a large family of flowering plants consisted of 300 genera and around 7,500 species. Castor plant belongs to a monotypic genus, Ricinus and subtribe, Ricininae.

What is scientific classification of castor plant?

Kingdom:     Plantae
(unranked):    Angiosperms
(unranked):    Eudicots
(unranked):    Rosids
Order:            Malpighiales
Family:          Euphorbiaceae
Subfamily:     Acalyphoideae
Tribe:             Acalypheae
Subtribe:       Ricininae
Genus:          Ricinus
Species:       R. communis

What are chemical constituent of castor seeds?

Three terpenoids

Tocopherol-related compound have been found in the aerial parts of Ricinus communis.

Compounds named (3E,7Z,11E)-19-hydroxycasba-3,7,11-trien-5-one, 6α-hydroxy-10β-methoxy-7α,8α-epoxy-5-oxocasbane-20,10-olide, 15α-hydroxylup-20(29)-en-3-one, and (2R,4aR,8aR)-3,4,4a,8a-tetrahydro-4a-hydroxy-2,6,7,8a-tetramethyl-2-(4,8, 12-trimethyltridecyl)-2H-chromene-5,8-dione were isolated from the methanol extracts of Ricinus communis by chromatographic methods