Blackstonia perfoliata (L.) Huds. [ Chlora perfoliata L.]
      
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6 145364 Blackstonia perfoliata (L.) Huds. [125 459460 Gentiana perfoliata L.] Gentianaceae
J.E. Smith, Engl. Bot., ed. 3, vol. 6 : t. 913 (1866)