The appearance of the lot1 mutant and wild type. A, Plants grown for 4 weeks after inoculation of M. loti Tono. Left, lot1; right, wild type. B and C, Mature nodules of lot1 and the wild type, respectively, at 8 weeks postinoculation (wpi). D and E, Trichomes in calyx regions of lot1 and the wild type, respectively. F and G, Trichomes on the abaxial side of leaflets of lot1 and the wild type, respectively. Bars in A to C, 1 cm; bars in D to G, 300 μm.