Four morphologically and palynologically similar species of Justicia from southern Mexico and Central America are treated as a new section of the genus, Justicia sect. Mesoamericanae. Justicia calliantha (Honduras), J. nicaraguensis (Nicaragua), J. sulfurea (Guatemala and El Salvador), and J. torresii (Mexico) share a similar inflorescence structure, floral form, and pollen type but differ from one another in vesture, size and color of the corolla, and calyx length.
展开▼
