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Figure 3. Photographs of Acanthaceae. Carlowrightia yucatanensis (Carnevali et al. 4381), habit (top left) and flower 
(top middle); Poikilacanthus pochutlensis (Daniel & de Avila 12204), apex of shoot with mature flower bud (top right) and 
Cerro Espino, locale of only known collections (middle right); Justicia zapoteca (Daniel et al. 11898cv), apex of shoot with 
inflorescence and flowers (bottom left), seed (middle center), and flower (bottom right). Photos by the author, except 
C. yucatanensis photos by G. Carnevali F. (used with permission). 
