Figure 1 from: Gómez-Domínguez H, Ortiz-Rodríguez AE, Velasco-Espino D, Hernández-Burguete R (2021) Taxonomic updates in Amphitecna (Bignoniaceae): A new Mexican species and the re-establishment of the giant-leaved A. megalophylla. PhytoKeys 171: 75-90. https://doi.org/10.3897/phytokeys.171.55397

Figure 1 Morphological similarities among the 24 species of Amphitecna currently recognized A dendrogram based on the results from an UPGMA analysis B main flower types found in Amphitecna, flowers with a transverse fold in the corolla throat (Amphitecna costata, top right) and flowers radially symmetric, without a transverse fold in the throat (Amphitecna tuxtlensis, bottom right). Photographs by Hector Gómez Domínguez (A. costata) and Pablo Carrillo Reyes (A. tuxtlensis). NM = Northern Mesoamerica; SM = Southern Mesoamerica.