Fig. 2

Phenotypic analysis of the floral organs in OX167d. a Overview of the inner floral organs in KA and OX167d lines. b Overview of the stigmas and lodicules. The stamen was removed from (a). Red arrows indicate lodicules. c The phenotype of the filament elongation in the indicated lines. d Close-up view of the stigmas. Bars, 2 mm. e Comparison of the stigma width in the indicated lines. Error bars indicate the standard deviation (SD) (n = 10). **P < 0.01 (Student’s t-test). f Close-up view of the lodicules in KA and OX167d. Bars, 100 μm. g Cell morphological features of lodicules in KA and OX167d. Bars, 50 μm. h Comparison of the cell length and cell width from (g). Error bars indicate standard deviation (SD) (n = 20). **P < 0.01 (Student’s t-test). i Transverse section of the flowers in KA and OX167d