Jiménez-Durán K., Arias-Montes S., Cortés-Palomec A., Márquez-Guzmán J., Embryology and Seed Development in Pereskia lychnidiflora (Cactaceae), Haseltonia, 2014, 19:3-12, doi: 10.2985/026.019.0102
The paper describes embryology and seed development of Leuenbergeria lychnidiflora (Pereskia lychnidiflora in the publication). Material came from a population in Oaxaca, Mexico.