Petals white, ovate or broad-ovate, apex mucronate, without incurved lobule. 花瓣白色,卵形或者宽卵形,具短尖的顶,没有弯曲小裂片。
Lateral leaflets broadly ovate or rhombic-elliptic, base of central leaflet slightly cordate, margin entire or inconspicuously toothed. 侧生小叶宽卵形或菱形椭圆形,中心的小叶稍心形,边缘全缘或不明显齿的基部。