Scientific name: Spermacoce ocymoides Burm.f. Family: Rubiaceae. Synonym: Borreria ocymoides (Burm.f.) DC. Bengali/Vernacular name: Arunpata.

Scientific name: Spermacoce exilis (L.O.Williams) C.D.Adams ex W.C.Burger & C.M.Taylor  Family: Rubiaceae Synonym: Borreria exilis L.O.Williams, Borreria repens DC.

Scientific name: Sonneratia caseolaris (L.) Engl. Family: Sonneratiaceae Synonym: Sonneratia ovalis Korth. Bengali/Vernacular name: Ora, Orali, Shouila....

Scientific name: Solanum sisymbriifolium Lam. Family: Solanaceae Synonym: Solanum sisymbriifolium f. lilacinum Kuntze Bengali/Vernacular name: Kanta begun, Kantikari.

Scientific name: Sesamum indicum L. Family: Pedaliaceae Synonym: Sesamum africanum Tod. Bengali/Vernacular name: Til.