Amphitecna regalis (Linden) A.H. Gentry Amphitecna regalis (Linden) A.H. Gentry, Fl. Neotropica Monogr. 25: 31. 1980 sec. Gentry 1982≡Crescentia regalis Linden, Hort. Linden No. 14: 7. 1859 syn. sec. Gentry 1982