Ramírez-Castro C. G., Piñeyro-Nelson A., Sandoval-Zapotitla E., Arias S., Rosas-Reinhold I., Comparative analysis of floral transition and floral organ formation in two contrasting species — Disocactus speciosus and D. eichlamii (Cactaceae), Plant Reproduction, 2024, 37(2):179-200, doi: 10.1007/s00497-023-00494-3
The study distinguishes nine stages of flower development grouped into four phases. Material comprises five Disocactus speciosus plants and one D. eichlamii, analysed histologically and by scanning electron microscopy.