Leaflet variation at the population level A Ceratozamia leptoceras, a.1, a.2 San Pedro Cuitlapan, a.3 Riverbank “Chipili” B C. robusta, b.1 Cañón del Sumidero, b.2, b.3 Cuchumbak C C. subroseophylla, c.1 Sinapan, c.2 “El Vigía”. All leaflets were collected from middle and right side of leaf with exception of two first leaflets for C. leptoceras (left).

  Part of: Martínez-Domínguez L, Nicolalde-Morejón F, Lorea-Hernández FG, Vergara-Silva F, Stevenson DWm (2020) A novelty in Ceratozamia (Zamiaceae, Cycadales) from the Sierra Madre del Sur, Mexico: biogeographic and morphological patterns, DNA barcoding and phenology. PhytoKeys 156: 1-25. https://doi.org/10.3897/phytokeys.156.53502